CVE-2025-64239 WordPress RTL Tester plugin <= 1.2 - Cross Site Request Forgery (CSRF) vulnerability
Attackers can trick users into performing unintended actions in the RTL Tester WordPress plugin, bypassing security controls.
- 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-2025-64239?
CVE-2025-64239 is a medium-severity vulnerability in Yoav Farhi RTL Tester, published on 16 Dec 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 Yoav Farhi RTL Tester rtl-tester allows Cross Site Request Forgery.This issue affects RTL Tester: from n/a through <= 1.2.
Weakness: CWE-352
Which versions are affected by CVE-2025-64239?
How do I fix CVE-2025-64239?
No fix has been published for CVE-2025-64239 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-64239 being exploited?
There is no known exploitation of CVE-2025-64239 in the wild and no public exploit code.
Sources
Also known as GHSA-f9j2-m9rw-5mc5.