CVE-2026-4811 Cross-site scripting in WPB Floating Menu or Categories – Sticky Floating Side Menu & Categories with Icons
Authenticated editors can inject arbitrary scripts via the Icon CSS Class field, leading to stored XSS execution for other users.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-4811?
CVE-2026-4811 is a medium-severity cross-site scripting vulnerability in wpbean WPB Floating Menu or Categories – Sticky Floating Side Menu & Categories with Icons, published on 21 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The WPB Floating Menu & Categories for WordPress – Sticky Side Menu with Icons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Icon CSS Class' category field in all versions up to, and including, 1.0.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Editor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Weakness: CWE-79
Which versions are affected by CVE-2026-4811?
How do I fix CVE-2026-4811?
No fix has been published for CVE-2026-4811 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-4811 being exploited?
There is no known exploitation of CVE-2026-4811 in the wild and no public exploit code.
Sources
Also known as GHSA-3q6m-7jw2-r5m4.