CVE-2026-6396

medium

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.

References

https://www.wordfence.com/threat-intel/vulnerabilities/id/4b5fbf2c-1231-482f-b5a5-819f31da3524?source=cve

https://plugins.trac.wordpress.org/browser/fast-fancy-filter-3f/trunk/includes/admin/class-admin.php#L419

https://plugins.trac.wordpress.org/browser/fast-fancy-filter-3f/trunk/includes/admin/class-admin.php#L24

https://plugins.trac.wordpress.org/browser/fast-fancy-filter-3f/tags/1.2.2/includes/admin/class-admin.php#L419

https://plugins.trac.wordpress.org/browser/fast-fancy-filter-3f/tags/1.2.2/includes/admin/class-admin.php#L24

Details

Source: Mitre, NVD

Published: 2026-04-22

Updated: 2026-04-22

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 4.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00006