Vulnerability Description
The MTCaptcha WordPress Plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.7.2. This is due to missing or incorrect nonce validation on the settings update functionality. This makes it possible for unauthenticated attackers to update the plugin settings, including sensitive values like the private key, via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/mtcaptcha/tags/2.7.2/mt-captcha.php#L
- https://plugins.trac.wordpress.org/browser/mtcaptcha/trunk/mt-captcha.php#L410
- https://www.wordfence.com/threat-intel/vulnerabilities/id/e8c1e568-7170-40d6-b52
FAQ
What is CVE-2025-13520?
CVE-2025-13520 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The MTCaptcha WordPress Plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.7.2. This is due to missing or incorrect nonce validation on the settin...
How severe is CVE-2025-13520?
CVE-2025-13520 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-13520?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.