CVE-2025-52475 Chamilo: Reflected XSS via keyword_inactive parameter
Attackers can inject malicious JavaScript via the keyword_inactive parameter in Chamilo LMS, potentially compromising user sessions.
- 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-2025-52475?
CVE-2025-52475 is a medium-severity cross-site scripting vulnerability in Chamilo Chamilo Lms, published on 2 Mar 2026. 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
Chamilo is a learning management system. Prior to version 1.11.30, there is a reflected cross-site scripting (XSS) vulnerability in the admin/user_list.php endpoint. The keyword_inactive parameter is not properly sanitized, allowing attackers to inject malicious JavaScript through a crafted URL. This issue has been patched in version 1.11.30.
Weakness: CWE-79
Which versions are affected by CVE-2025-52475?
It affects 1 product.
Products include Chamilo Chamilo Lms.
How do I fix CVE-2025-52475?
No fix has been published for CVE-2025-52475 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-2025-52475 being exploited?
There is no known exploitation of CVE-2025-52475 in the wild and no public exploit code.
Other vulnerabilities in Chamilo Chamilo Lms
Sources
Also known as GHSA-7p5f-34rx-49h8.