¿Es seguro Fluentform?

Qué hace este plugin

• Slug: fluentform
• 700000+ instalaciones activas

contact formcustom formform builderformsWP Forms

Estado de mantenimiento

• Última versión conocida: 6.2.7
• Requiere PHP: 7.4+
• PHP máximo soportado (analizado): <8.0

Vulnerabilidades conocidas

35 CVEs conocidos registrados para Fluentform.

CVE-2026-5069

The Fluent Forms plugin for WordPress is vulnerable to incorrect authorization via the 'subscription_id' parameter in versions up to, and including, 6.2.1. This is due to insufficient ownership authorization checks in the payment cancellation AJAX flow. This makes it possible for authenticated attackers, with subscriber-level access and above, to submit cancellation requests for other users' subscriptions.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2026-11578

The Fluent Forms WordPress plugin before 6.2.5 does not properly restrict the deletion of form submission entries to the forms a restricted Manager is authorized to manage, allowing a Manager limited to specific forms to permanently delete submission entries belonging to other forms. This requires a non-default configuration in which an administrator has created at least one Manager restricted to specific forms.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2026-11880

The Fluent Forms WordPress plugin before 6.2.1 does not properly verify ownership before processing a subscription cancellation request, allowing authenticated users with a low-privilege account to cancel subscriptions belonging to other users.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2026-5396

The Fluent Forms plugin for WordPress is vulnerable to Authorization Bypass Through User-Controlled Key in all versions up to, and including, 6.1.21. This is due to the SubmissionPolicy class authorizing submission-level actions (read, modify, delete, add notes) based on a user-supplied `form_id` query parameter. This makes it possible for authenticated attackers, with Fluent Forms Manager access restricted to specific forms, to read, modify status, add notes to, and permanently delete form submissions belonging to any other form by spoofing the form_id parameter to a form they are authorized for.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2026-5395

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 6.2.0 via the exportEntries function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Fluent Forms manager-level access and above, to bypass form-level access restrictions to access submissions from forms they are not authorized to view, export data from arbitrary database tables, and enumerate database table names via error message disclosure.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2026-6828

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'permission_message' parameter in all versions up to, and including, 6.2.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2026-6344

The Fluent Forms plugin for WordPress is vulnerable to Arbitrary File Read in versions up to and including 6.2.1. This is due to insufficient path validation in the getAttachments() method of EmailNotificationActions, which resolves attacker-supplied file-upload URLs into filesystem paths without verifying that the resolved path stays inside the WordPress uploads directory: a strpos() prefix check on the raw URL can be bypassed with traversal sequences, wp_normalize_path() does not resolve ".\..\" segments, and file_exists() then resolves them at the kernel level. This makes it possible for authenticated attackers with administrator access to read arbitrary files readable by the web-server user — including wp-config.php with its database credentials and authentication salts — by submitting a form whose admin notification is configured to attach a file-upload field and supplying a crafted URL of the shape <upload_baseurl>/../../<target> as the file-field value. The resolved file is attached to the outbound admin-notification email via wp_mail(). While the email can be triggered by unauthenticated users, the email recipient is not user-controlled.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2026-4160

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Insecure Direct Object Reference via the 'submission_id' parameter in versions up to, and including, 6.1.21. This is due to missing authorization and ownership validation on a user controlled key in the Stripe SCA confirmation AJAX endpoint. This makes it possible for unauthenticated attackers to modify payment status of targeted pending submissions (for example, setting the status to "failed").

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

+ 31 vulnerabilidades conocidas más

CVE	Vulnerabilidad	Tipo	Gravedad	Afectadas	Corregido en	Publicado	Estado
CVE-2026-25313	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.1.15	Falta de control de autorización	Media 4,3	< 6.1.15	6.1.15	2026-01-25	✓ corregido en la última versión
CVE-2025-69001	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.1.12	Control incorrecto de la generación de código (inyección de código)	Media 5,3	< 6.1.12	6.1.12	2026-01-13	✓ corregido en la última versión
CVE-2025-13722	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.1.8	Falta de control de autorización	Media 5,3	< 6.1.8	6.1.8	2026-01-06	✓ corregido en la última versión
CVE-2025-13748	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.1.8	Elusión de autorización mediante una clave controlada por el usuario	Media 5,3	< 6.1.8	6.1.8	2025-12-05	✓ corregido en la última versión
CVE-2024-13666	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.0.0	Validación incorrecta de la entrada	Media 5,3	< 6.0.0	6.0.0	2025-03-21	✓ corregido en la última versión
CVE-2024-10646	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.2.7	Neutralización incorrecta de la entrada al generar la página web (Cross-site Scripting / XSS)	Alta 7,2	< 5.2.7	5.2.7	2024-12-13	✓ corregido en la última versión
CVE-2024-9651	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.2.1	Neutralización incorrecta de la entrada al generar la página web (Cross-site Scripting / XSS)	Media 6,1	< 5.2.1	5.2.1	2024-11-18	✓ corregido en la última versión
CVE-2024-9528	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.20	Neutralización incorrecta de la entrada al generar la página web (Cross-site Scripting / XSS)	Media 4,8	< 5.1.20	5.1.20	2024-10-04	✓ corregido en la última versión
CVE-2024-5053	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.19	Autorización indebida	Media 4,3	< 5.1.19	5.1.19	2024-08-31	✓ corregido en la última versión
CVE-2024-6520	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.20	Neutralización incorrecta de la entrada al generar la página web (Cross-site Scripting / XSS)	Media 4,8	< 5.1.20	5.1.20	2024-07-26	✓ corregido en la última versión
CVE-2024-6703	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.20	Neutralización incorrecta de la entrada al generar la página web (Cross-site Scripting / XSS)	Media 5,4	< 5.1.20	5.1.20	2024-07-26	✓ corregido en la última versión
CVE-2024-6518	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.20	Neutralización incorrecta de la entrada al generar la página web (Cross-site Scripting / XSS)	Media 4,8	< 5.1.20	5.1.20	2024-07-26	✓ corregido en la última versión
CVE-2024-6521	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.20	Neutralización incorrecta de la entrada al generar la página web (Cross-site Scripting / XSS)	Media 4,8	< 5.1.20	5.1.20	2024-07-26	✓ corregido en la última versión
CVE-2024-4157	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.16	Deserialización de datos no confiables	Alta 8,8	< 5.1.16	5.1.16	2024-05-21	✓ corregido en la última versión
CVE-2024-2782	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.17	Falta de control de autorización	Alta 7,5	< 5.1.17	5.1.17	2024-05-17	✓ corregido en la última versión
CVE-2024-2771	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.17	Falta de control de autorización	Crítica 9,8	< 5.1.17	5.1.17	2024-05-17	✓ corregido en la última versión
CVE-2024-2772	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.14	Neutralización incorrecta de la entrada al generar la página web (Cross-site Scripting / XSS)	Media 5,4	< 5.1.14	5.1.14	2024-05-17	✓ corregido en la última versión
CVE-2024-4709	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.17	Neutralización incorrecta de la entrada al generar la página web (Cross-site Scripting / XSS)	Media 5,4	< 5.1.17	5.1.17	2024-05-17	✓ corregido en la última versión
CVE-2023-6957	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.10	Neutralización incorrecta de la entrada al generar la página web (Cross-site Scripting / XSS)	Media 5,4	< 5.1.10	5.1.10	2024-03-05	✓ corregido en la última versión
CVE-2024-0618	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.7	Neutralización incorrecta de la entrada al generar la página web (Cross-site Scripting / XSS)	Media 4,8	< 5.1.7	5.1.7	2024-01-27	✓ corregido en la última versión
—	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.7	—	Desconocido	< 5.1.7	5.1.7	2024-01-19	✓ corregido en la última versión
—	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.7	—	Desconocido	< 5.1.7	5.1.7	2024-01-18	✓ corregido en la última versión
CVE-2023-41952	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.0.9	Falta de control de autorización	Media 5,3	< 5.0.9	5.0.9	2023-09-11	✓ corregido en la última versión
—	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.0.9	—	Desconocido	< 5.0.9	5.0.9	2023-09-08	✓ corregido en la última versión
CVE-2023-24410	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.0.0	Neutralización incorrecta de elementos especiales en un comando SQL (inyección SQL)	Media 5,5	< 5.0.0	5.0.0	2023-07-12	✓ corregido en la última versión
CVE-2023-0546	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 4.3.25	Neutralización incorrecta de la entrada al generar la página web (Cross-site Scripting / XSS)	Media 5,4	< 4.3.25	4.3.25	2023-03-20	✓ corregido en la última versión
CVE-2022-3463	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 4.3.13	Neutralización incorrecta de elementos de fórmula en un archivo CSV (CSV Injection)	Crítica 9,8	< 4.3.13	4.3.13	2022-10-17	✓ corregido en la última versión
CVE-2021-34620	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 3.6.67	Neutralización incorrecta de la entrada al generar la página web (Cross-site Scripting / XSS)	Alta 8,8	< 3.6.67	3.6.67	2021-06-16	✓ corregido en la última versión
CVE-2025-3615	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.0.3	Neutralización incorrecta de la entrada al generar la página web (Cross-site Scripting / XSS)	Media 6,4	< 6.0.3	6.0.3	0000-00-00	✓ corregido en la última versión
CVE-2026-0996	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.1.15	—	Desconocido	< 6.1.15	6.1.15	0000-00-00	✓ corregido en la última versión
—	Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.1.2	—	Media 6,5	< 6.1.2	6.1.2	0000-00-00	✓ corregido en la última versión

CVE-2026-25313

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 6.1.14. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Wordfence

CVE-2025-69001

The The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 6.1.11. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Wordfence

CVE-2025-13722

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Missing Authorization in all versions up to, and including, 6.1.7. This is due to missing capability checks on the `fluentform_ai_create_form` AJAX action. This makes it possible for authenticated attackers, with Subscriber-level access and above, to create arbitrary forms via the publicly exposed AI builder.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2025-13748

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 6.1.7 via the 'submission_id' parameter due to missing validation on a user controlled key within the confirmScaPayment() function. This makes it possible for unauthenticated attackers to mark arbitrary submissions as failed via crafted requests to the endpoint granted they can guess or enumerate a valid submission identifier.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2024-13666

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to IP Address Spoofing in all versions up to, and including, 5.2.12 due to insufficient IP address validation and use of user-supplied HTTP headers as a primary method for IP retrieval. This makes it possible for unauthenticated attackers spoof their IP address and submit forms that may have IP-based restrictions.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2024-10646

The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the form's subject parameter in all versions up to, and including, 5.2.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2024-9651

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 5.2.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Wordfence

CVE-2024-9528

The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via form label fields in all versions up to, and including, 5.1.19 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with access to edit forms (administrator by default), to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2024-5053

The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to unauthorized Malichimp API key update due to an insufficient capability check on the verifyRequest function in all versions up to, and including, 5.1.18. This makes it possible for Form Managers with a Subscriber-level access and above to modify the Mailchimp API key used for integration. At the same time, missing Mailchimp API key validation allows the redirect of the integration requests to the attacker-controlled server.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2024-6520

The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom error message in all versions up to, and including, 5.1.19 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Wordfence

CVE-2024-6703

The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘description’ and 'btn_txt' parameters in all versions up to, and including, 5.1.19 due to insufficient input sanitization and output escaping. This makes it possible for attackers with the Form Manager permissions and Subscriber+ user role, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2024-6518

The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via input fields in all versions up to, and including, 5.1.19 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Wordfence

CVE-2024-6521

The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via dropdown fields in all versions up to, and including, 5.1.19 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Wordfence

CVE-2024-4157

The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 5.1.15 via deserialization of untrusted input in the extractDynamicValues function. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code. Successful exploitation requires the attacker to have "View Form" and "Manage Form" permissions, which must be explicitly set by an administrator. However, this requirement can be bypassed when this vulnerability is chained with CVE-2024-2771.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2024-2782

The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the /wp-json/fluentform/v1/global-settings REST API endpoint in all versions up to, and including, 5.1.16. This makes it possible for unauthenticated attackers to modify all of the plugin's settings.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2024-2771

The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to privilege escalation due to a missing capability check on the /wp-json/fluentform/v1/managers REST API endpoint in all versions up to, and including, 5.1.16. This makes it possible for unauthenticated attackers to grant users with Fluent Form management permissions which gives them access to all of the plugin's settings and features. This also makes it possible for unauthenticated attackers to delete manager accounts.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2024-2772

The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via form settings in all versions up to, and including, 5.1.13 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with access to the Fluent Forms settings, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This can be chained with CVE-2024-2771 for a low-privileged user to inject malicious web scripts.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2024-4709

The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘subject’ parameter in versions up to, and including, 5.1.16 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, and access granted by an administrator, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2023-6957

The Fluent Forms plugin for WordPress by Fluent Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 5.1.9 due to insufficient input sanitization and output escaping. This makes it possible for attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploitation level depends on who is granted the right to create forms by an administrator. This level can be as low as contributor, but by default is admin.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2024-0618

The Contact Form Plugin – Fastest Contact Form Builder Plugin for WordPress by Fluent Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via imported form titles in all versions up to, and including, 5.1.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.7

Update the WordPress FluentForm plugin to the latest available version (at least 5.1.7). Akbar Kustirama discovered and reported this Cross Site Scripting (XSS) vulnerability in WordPress FluentForm Plugin. This could allow a malicious actor to inject malicious scripts, such as redirects, advertisements, and other HTML payloads into your website which will be executed when guests visit your site. This vulnerability has been fixed in version 5.1.7. Have additional information or questions about this entry? Get in touch.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Patchstack

Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.7

The Contact Form Plugin – Fastest Contact Form Builder Plugin for WordPress by Fluent Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via imported form titles in all versions up to, and including, 5.1.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Wordfence

CVE-2023-41952

Update the WordPress FluentForm plugin to the latest available version (at least 5.0.9). Revan Arifio discovered and reported this Broken Access Control vulnerability in WordPress FluentForm Plugin. A broken access control issue refers to a missing authorization, authentication or nonce token check in a function that could lead to an unprivileged user to executing a certain higher privileged action. This vulnerability has been fixed in version 5.0.9.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Patchstack

Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.0.9

The Contact Form for Plugin by Fluent Forms plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 5.0.8 via the addIsRenderableFilter() function due to missing validation on the publication status of a form. This makes it possible for users to render and submit forms when the form is in an 'unpublished' state.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Wordfence

CVE-2023-24410

The FluentForm plugin for WordPress is vulnerable to SQL Injection in versions up to, and including, 4.3.25 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Wordfence

CVE-2023-0546

Update the WordPress FluentForm plugin to the latest available version (at least 4.3.25). Vaibhav Rajput discovered and reported this Cross Site Scripting (XSS) vulnerability in WordPress FluentForm Plugin. This could allow a malicious actor to inject malicious scripts, such as redirects, advertisements, and other HTML payloads into your website which will be executed when guests visit your site. This vulnerability has been fixed in version 4.3.25.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Patchstack

CVE-2022-3463

The Contact Form Plugin by FluentForm plugin for WordPress is vulnerable to CSV Injection in versions up to, and including, 4.3.12. This allows attackers to embed untrusted input into exported CSV files, which can result in code execution when these files are downloaded and opened on a local system with a vulnerable configuration.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Wordfence

CVE-2021-34620

The WP Fluent Forms plugin < 3.6.67 for WordPress is vulnerable to Cross-Site Request Forgery leading to stored Cross-Site Scripting and limited Privilege Escalation due to a missing nonce check in the access control function for administrative AJAX actions

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: CVE.org

CVE-2025-3615

The Fluent Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the form-submission.js script in all versions up to, and including, 6.0.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Wordfence

CVE-2026-0996

The Fluent Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the AI Form Builder module in all versions up to, and including, 6.1.14 due to a combination of missing authorization checks, a leaked nonce, and insufficient input sanitization. The vulnerability allows Subscriber-level users to trigger AI form generation via a protected endpoint. When prompted, AI services will typically return bare JavaScript code (without <script> tags), which bypasses the plugin's sanitization. This stored JavaScript executes whenever anyone views the generated form, making it possible for authenticated attackers with Subscriber-level access and above to inject arbitrary web scripts that will execute in the context of any user accessing the form.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Wordfence

Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.1.2

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to PHP Object Injection in versions 5.1.16 to 6.1.1 via deserialization of untrusted input in the parseUserProperties function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject a PHP Object. The additional presence of a POP chain allows attackers to read arbitrary files. If allow_url_include is enabled on the server, remote code execution is possible. While the vendor patched this issue in version 6.1.0, the patch caused a fatal error in the vulnerable code, due to a missing class import, so we consider 6.1.2 to be the most complete and best patched version.

Descripción técnica mostrada en el idioma original de la fuente (inglés).

Fuente: Wordfence

Cómo solucionarlo

Mantén Fluentform actualizado — 6.2.7 es la última versión en wordpress.org, y cada CVE de arriba indica la versión exacta que lo corrigió ("Corregido en").

Este es el historial completo de vulnerabilidades conocidas del plugin, no un escaneo de una instalación específica — ejecuta un escaneo gratis de tu propio sitio para verificar tu versión instalada exacta.

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