PLUGIN SECURITY
Is Fluentform safe?
Get a fast contact form plugin. Create advanced forms using drag and drop form builder with all smart features.
What this plugin does
- Slug:
fluentform - Author: WPManageNinja
- 700000+ active installs
- 96/100 rating (789 reviews on wordpress.org)
- 19041300 all-time downloads
- On WordPress.org since 2017-12-29
contact formcustom formform builderformsWP Forms
Maintenance status
- Latest known version: 6.2.11
- Last updated: 2026-08-22 11:34am GMT
- Tested up to WordPress: 7.1
- Requires PHP: 7.4+
- Max supported PHP (analyzed): <8.0
Known vulnerabilities
41 known CVEs on file for Fluentform.
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| CVE-2026-17571 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.2.9 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 6.1 | < 6.2.9 | 6.2.9 | 2026-07-31 | ✓ fixed in latest |
| CVE-2026-18146 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.2.12 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | High 7.2 | < 6.2.12 | 6.2.12 | 2026-07-31 | ⚠ update needed |
| CVE-2026-11881 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.2.6 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Unknown | < 6.2.6 | 6.2.6 | 2026-07-30 | ✓ fixed in latest |
| CVE-2026-17567 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.2.9 | Authorization Bypass Through User-Controlled Key | Medium 5.3 | < 6.2.9 | 6.2.9 | 2026-07-30 | ✓ fixed in latest |
| CVE-2026-16655 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.2.8 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | High 7.2 | < 6.2.8 | 6.2.8 | 2026-07-28 | ✓ fixed in latest |
| CVE-2026-5069 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.2.2 | Incorrect Authorization | Medium 5.4 | < 6.2.2 | 6.2.2 | 2026-07-09 | ✓ fixed in latest |
| CVE-2026-11578 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.2.5 | Authorization Bypass Through User-Controlled Key | Unknown | < 6.2.5 | 6.2.5 | 2026-07-02 | ✓ fixed in latest |
| CVE-2026-11880 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.2.1 | Authorization Bypass Through User-Controlled Key | Unknown | < 6.2.1 | 6.2.1 | 2026-07-01 | ✓ fixed in latest |
+ 39 more known vulnerabilities
| CVE | Vulnerability | Type | Severity | Affected | Fixed in | Published | Status |
|---|---|---|---|---|---|---|---|
| CVE-2026-5396 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.2.0 | Authorization Bypass Through User-Controlled Key | High 8.2 | < 6.2.0 | 6.2.0 | 2026-05-13 | ✓ fixed in latest |
| CVE-2026-5395 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.2.1 | Authorization Bypass Through User-Controlled Key | High 8.2 | < 6.2.1 | 6.2.1 | 2026-05-13 | ✓ fixed in latest |
| CVE-2026-6828 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.2.2 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 6.4 | < 6.2.2 | 6.2.2 | 2026-05-12 | ✓ fixed in latest |
| CVE-2026-6344 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.2.2 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | Medium 4.9 | < 6.2.2 | 6.2.2 | 2026-05-05 | ✓ fixed in latest |
| CVE-2026-4160 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.2.0 | Authorization Bypass Through User-Controlled Key | Medium 5.3 | < 6.2.0 | 6.2.0 | 2026-04-16 | ✓ fixed in latest |
| CVE-2026-25313 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.1.15 | Missing Authorization | Medium 4.3 | < 6.1.15 | 6.1.15 | 2026-01-25 | ✓ fixed in latest |
| CVE-2025-69001 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.1.12 | Improper Control of Generation of Code ('Code Injection') | Medium 5.3 | < 6.1.12 | 6.1.12 | 2026-01-13 | ✓ fixed in latest |
| CVE-2025-13722 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.1.8 | Missing Authorization | Medium 5.3 | < 6.1.8 | 6.1.8 | 2026-01-06 | ✓ fixed in latest |
| CVE-2025-13748 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.1.8 | Authorization Bypass Through User-Controlled Key | Medium 5.3 | < 6.1.8 | 6.1.8 | 2025-12-05 | ✓ fixed in latest |
| CVE-2024-13666 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.0.0 | Improper Input Validation | Medium 5.3 | < 6.0.0 | 6.0.0 | 2025-03-21 | ✓ fixed in latest |
| CVE-2024-10646 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.2.7 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | High 7.2 | < 5.2.7 | 5.2.7 | 2024-12-13 | ✓ fixed in latest |
| CVE-2024-9651 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.2.1 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 6.1 | < 5.2.1 | 5.2.1 | 2024-11-18 | ✓ fixed in latest |
| CVE-2024-9528 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.20 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 4.8 | < 5.1.20 | 5.1.20 | 2024-10-04 | ✓ fixed in latest |
| CVE-2024-5053 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.19 | Improper Authorization | Medium 4.3 | < 5.1.19 | 5.1.19 | 2024-08-31 | ✓ fixed in latest |
| CVE-2024-6520 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.20 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 4.8 | < 5.1.20 | 5.1.20 | 2024-07-26 | ✓ fixed in latest |
| CVE-2024-6703 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.20 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 5.4 | < 5.1.20 | 5.1.20 | 2024-07-26 | ✓ fixed in latest |
| CVE-2024-6518 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.20 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 4.8 | < 5.1.20 | 5.1.20 | 2024-07-26 | ✓ fixed in latest |
| CVE-2024-6521 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.20 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 4.8 | < 5.1.20 | 5.1.20 | 2024-07-26 | ✓ fixed in latest |
| CVE-2024-4157 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.16 | Deserialization of Untrusted Data | High 8.8 | < 5.1.16 | 5.1.16 | 2024-05-21 | ✓ fixed in latest |
| CVE-2024-2782 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.17 | Missing Authorization | High 7.5 | < 5.1.17 | 5.1.17 | 2024-05-17 | ✓ fixed in latest |
| CVE-2024-2771 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.17 | Missing Authorization | Critical 9.8 | < 5.1.17 | 5.1.17 | 2024-05-17 | ✓ fixed in latest |
| CVE-2024-2772 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.14 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 5.4 | < 5.1.14 | 5.1.14 | 2024-05-17 | ✓ fixed in latest |
| CVE-2024-4709 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.17 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 5.4 | < 5.1.17 | 5.1.17 | 2024-05-17 | ✓ fixed in latest |
| CVE-2023-6957 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.10 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 5.4 | < 5.1.10 | 5.1.10 | 2024-03-05 | ✓ fixed in latest |
| — | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.7 | — | Unknown | < 5.1.7 | 5.1.7 | 2024-01-19 | ✓ fixed in latest |
| CVE-2024-0618 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.1.7 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 4.8 | < 5.1.7 | 5.1.7 | 2024-01-18 | ✓ fixed in latest |
| CVE-2023-41952 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.0.9 | Missing Authorization | Medium 5.3 | < 5.0.9 | 5.0.9 | 2023-09-08 | ✓ fixed in latest |
| CVE-2023-24410 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 5.0.0 | Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') | Medium 5.5 | < 5.0.0 | 5.0.0 | 2023-07-12 | ✓ fixed in latest |
| CVE-2023-0546 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 4.3.25 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 5.4 | < 4.3.25 | 4.3.25 | 2023-03-20 | ✓ fixed in latest |
| CVE-2022-3463 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 4.3.13 | Improper Neutralization of Formula Elements in a CSV File | Critical 9.8 | < 4.3.13 | 4.3.13 | 2022-10-17 | ✓ fixed in latest |
| CVE-2021-34620 | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 3.6.67 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | High 8.8 | < 3.6.67 | 3.6.67 | 2021-06-16 | ✓ fixed in latest |
| — | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.0.3 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | Medium 6.4 | < 6.0.3 | 6.0.3 | 0000-00-00 | ✓ fixed in latest |
| — | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.1.15 | — | Unknown | < 6.1.15 | 6.1.15 | 0000-00-00 | ✓ fixed in latest |
| — | Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder [fluentform] < 6.1.2 | — | Medium 6.5 | < 6.1.2 | 6.1.2 | 0000-00-00 | ✓ fixed in latest |
| CVE-2023-41952 | Contact Form for Plugin by Fluent Forms < 5.0.9 - Insecure Direct Object Reference | — | Unknown | < 5.0.9 | 5.0.9 | — | ✓ fixed in latest |
| CVE-2024-0618 | Fluent Forms < 5.1.7 - Admin+ Stored Cross-Site Scripting via imported form title | — | Unknown | < 5.1.7 | 5.1.7 | — | ✓ fixed in latest |
| CVE-2025-3615 | Fluent Forms < 6.0.3 - Contributor+ Stored XSS | — | Unknown | < 6.0.3 | 6.0.3 | — | ✓ fixed in latest |
| CVE-2025-9260 | Fluent Forms 5.1.16 - 6.1.0 - Subscriber+ PHP Object Injection To Arbitrary File Read | — | Unknown | < 6.1.1 | 6.1.1 | — | ✓ fixed in latest |
| CVE-2026-0996 | Fluent Forms < 6.1.15 - Subscriber+ Stored XSS | — | Unknown | < 6.1.15 | 6.1.15 | — | ✓ fixed in latest |
How to fix it
Keep Fluentform updated — 6.2.11 is the latest version on wordpress.org, and each CVE above lists the exact release that fixed it ("Fixed in").
This is the plugin's full known vulnerability history, not a scan of any specific installation — run a free scan of your own site to check your exact installed version.
Safer / more established alternatives
- Contact Form 7 — 10000000+ active installs — 80/100 (2178) — max PHP 8.4
- Akismet Anti-spam: Spam Protection — 5000000+ active installs — 94/100 (1186) — max PHP 8.4
- WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More — 5000000+ active installs — 96/100 (14366)
- Forminator Forms – Contact Form, Payment Form & Custom Form Builder — 600000+ active installs — 96/100 (2113)
- Ninja Forms – The Contact Form Builder That Grows With You — 600000+ active installs — 88/100 (1395) — max PHP 8.4
Check your own WordPress site
Run a free passive scan now, or create a free account and install the WP Clinic plugin for a deep scan of your whole hosting account and AI-assisted repair.