CVE-2026-6396 Cross-site request forgery in Fast & Fancy Filter – 3F
Unauthenticated attackers can modify plugin settings and create filter posts by tricking administrators into clicking a link due to missing nonce verification.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-6396?
CVE-2026-6396 is a medium-severity vulnerability in webarea Fast & Fancy Filter – 3F, published on 22 Apr 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-352
Which versions are affected by CVE-2026-6396?
How do I fix CVE-2026-6396?
No fix has been published for CVE-2026-6396 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-6396 being exploited?
There is no known exploitation of CVE-2026-6396 in the wild and no public exploit code.
Sources
Also known as GHSA-4922-xr68-xjg8.