Vulnerability Description
The Minify HTML plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.1.12. This is due to missing or incorrect nonce validation on the 'minify_html_menu_options' function. This makes it possible for unauthenticated attackers to update plugin settings 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/minify-html-markup/tags/2.1.12/minify
- https://plugins.trac.wordpress.org/changeset/3486011/minify-html-markup
- https://www.wordfence.com/threat-intel/vulnerabilities/id/fe14b92b-1784-4083-9b9
FAQ
What is CVE-2026-3191?
CVE-2026-3191 is a vulnerability with a CVSS score of 5.4 (MEDIUM). The Minify HTML plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.1.12. This is due to missing or incorrect nonce validation on the 'minify_html_...
How severe is CVE-2026-3191?
CVE-2026-3191 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-3191?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.