CVE-2025-39421 WordPress WP Sticky Side Buttons plugin <= 2.1 - Cross Site Request Forgery (CSRF) vulnerability
A CSRF vulnerability in the WP Sticky Side Buttons plugin allows attackers to inject stored XSS payloads, potentially compromising user sessions and site integrity.
- 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-2025-39421?
CVE-2025-39421 is a high-severity vulnerability in Mustafa KUCUK WP Sticky Side Buttons, published on 17 Apr 2025. 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
Cross-Site Request Forgery (CSRF) vulnerability in Mustafa KUCUK WP Sticky Side Buttons wp-sticky-side-buttons allows Stored XSS.This issue affects WP Sticky Side Buttons: from n/a through <= 2.1.
Weakness: CWE-352
Which versions are affected by CVE-2025-39421?
How do I fix CVE-2025-39421?
No fix has been published for CVE-2025-39421 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-39421 being exploited?
There is no known exploitation of CVE-2025-39421 in the wild and no public exploit code.
Sources
Also known as GHSA-jx24-hm29-p4xm.