CVE-2025-23806 WordPress Ultimate Subscribe Plugin <=1.3 - CSRF to Reflected Cross Site Scripting (XSS) vulnerability
Attackers can execute arbitrary scripts in victim browsers via CSRF, potentially leading to session hijacking or malicious actions.
- 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-2025-23806?
CVE-2025-23806 is a high-severity cross-site scripting vulnerability in ThemeFarmer Ultimate Subscribe, published on 22 Jan 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 ThemeFarmer Ultimate Subscribe ultimate-subscribe allows Reflected XSS.This issue affects Ultimate Subscribe: from n/a through <= 1.3.
Weakness: CWE-352
Which versions are affected by CVE-2025-23806?
How do I fix CVE-2025-23806?
No fix has been published for CVE-2025-23806 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-2025-23806 being exploited?
There is no known exploitation of CVE-2025-23806 in the wild and no public exploit code.
Sources
Also known as GHSA-c3xq-xww5-9347.