CVE-2025-2979 WCMS Registration setregister cross site scripting
Remote attackers can inject malicious scripts via the Username field in WCMS registration, potentially leading to code execution or account takeover.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-2979?
CVE-2025-2979 is a medium-severity cross-site scripting vulnerability in WCMS, published on 31 Mar 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
A vulnerability classified as problematic has been found in WCMS 11. This affects an unknown part of the file /index.php?anonymous/setregister of the component Registration. The manipulation of the argument Username leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2025-2979?
It affects 1 product.
Products include Wcms Wcms.
How do I fix CVE-2025-2979?
No fix has been published for CVE-2025-2979 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-2025-2979 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-2979 exists.
Other vulnerabilities in WCMS
Sources
Also known as GHSA-39ff-jpw4-g5pg.