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7.2

MetForm Pro plugin on WordPress allows hackers to inject malicious scripts

CVE-2026-1261
Summary

The MetForm Pro plugin for WordPress, used in quizzes, allows attackers to inject malicious code into pages, which can be executed when users visit those pages. This could lead to unauthorized actions, such as stealing user data or taking control of the website. Update to version 3.9.7 or later to fix this issue.

Original title
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 ...
Original description
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.
nvd CVSS3.1 7.2
Vulnerability type
CWE-79 Cross-site Scripting (XSS)
Published: 10 Mar 2026 · Updated: 13 Mar 2026 · First seen: 11 Mar 2026