CVE-2025-13520
MTCaptcha WordPress Plugin <= 2.7.2 - Cross-Site Request Forgery to Settings Update
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-352 |
| Vendor | mtcaptcha |
| Product | mtcaptcha wordpress plugin |
| Published | Jan 7, 2026 |
| Last Updated | Apr 8, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
mtcaptcha / MTCaptcha WordPress Plugin
0 ≤ 2.7.2
References
wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/e8c1e568-7170-40d6-b522-2c89725e0501?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/mtcaptcha/trunk/mt-captcha.php#L410 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/mtcaptcha/tags/2.7.2/mt-captcha.php#L410
Credits
Muhammad Nur Ibnu Hubab