PLUGIN SECURITY

Is Metform Pro safe?

Known vulnerabilities, PHP compatibility and safer alternatives for the Metform Pro WordPress plugin — checked against WP Clinic's local security database.

What this plugin does

  • Slug: metform-pro

Maintenance status

Known vulnerabilities

4 known CVEs on file for Metform Pro.

CVE Vulnerability Type Severity Affected Fixed in Published Status
CVE-2026-24610 MetForm Pro [metform-pro] <= 3.9.1 (unfixed) Missing Authorization Medium 4.3 < 3.9.1 3.9.1 2026-06-17
CVE-2026-24611 MetForm Pro [metform-pro] <= 3.9.1 (unfixed) Missing Authorization Critical 9.1 < 3.9.1 3.9.1 2026-03-12
CVE-2026-1261 MetForm Pro [metform-pro] < 3.9.7 Unknown < 3.9.7 3.9.7 0000-00-00
CVE-2026-1782 MetForm Pro [metform-pro] < 3.9.8 Medium 5.3 < 3.9.8 3.9.8 0000-00-00

CVE-2026-24610

Subscriber Broken Access Control in MetForm Pro <= 3.9.1 versions.

Source: CVE.org

CVE-2026-24611

The MetForm Pro plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in versions up to, and including, 3.9.8. This makes it possible for unauthenticated attackers to perform an unauthorized action.

Source: Wordfence

CVE-2026-1261

The MetForm Pro plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Quiz feature in all versions up to, and including, 3.9.6 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.

Source: Wordfence

CVE-2026-1782

The MetForm Pro plugin for WordPress is vulnerable to Improper Input Validation in all versions up to, and including, 3.9.7 This is due to the payment integrations (Stripe/PayPal) trusting a user-submitted calculation field value without recomputing or validating it against the configured form price. This makes it possible for unauthenticated attackers to manipulate the payment amount via the 'mf-calculation' field in the form submission REST request granted there exists a specific form with this particular configuration.

Source: Wordfence

How to fix it

Update this plugin to the latest release from wordpress.org — each CVE above lists the exact release that fixed it ("Fixed in") when one is on file.

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.

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