Vulnerability Description
The Fast & Fancy Filter – 3F plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to and including 1.2.2. This is due to missing nonce verification in the saveFields() function, which handles the fff_save_settins AJAX action. This makes it possible for unauthenticated attackers to modify plugin filter settings, update arbitrary options, or create new filter posts 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/fast-fancy-filter-3f/tags/1.2.2/inclu
- https://plugins.trac.wordpress.org/browser/fast-fancy-filter-3f/tags/1.2.2/inclu
- https://plugins.trac.wordpress.org/browser/fast-fancy-filter-3f/trunk/includes/a
- https://plugins.trac.wordpress.org/browser/fast-fancy-filter-3f/trunk/includes/a
- https://www.wordfence.com/threat-intel/vulnerabilities/id/4b5fbf2c-1231-482f-b5a
FAQ
What is CVE-2026-6396?
CVE-2026-6396 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The Fast & Fancy Filter – 3F plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to and including 1.2.2. This is due to missing nonce verification in the saveFields() funct...
How severe is CVE-2026-6396?
CVE-2026-6396 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-2026-6396?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.