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5.1
Chamilo Learning Management System: Malicious Code Injection
CVE-2025-52563
Summary
This issue affects the Chamilo Learning Management System before version 1.11.30. An attacker could inject malicious code into the system if a user clicks on a specially crafted link. To stay safe, update to version 1.11.30 or later.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| chamilo | chamilo_lms | <= 1.11.30 | – |
Original title
Chamilo is a learning management system. Prior to version 1.11.30, there is a reflected cross-site scripting (XSS) vulnerability due to insufficient sanitization of the page parameter in the sessio...
Original description
Chamilo is a learning management system. Prior to version 1.11.30, there is a reflected cross-site scripting (XSS) vulnerability due to insufficient sanitization of the page parameter in the session/add_users_to_session.php endpoint. This issue has been patched in version 1.11.30.
nvd CVSS3.1
6.1
nvd CVSS4.0
5.1
Vulnerability type
CWE-79
Cross-site Scripting (XSS)
CWE-80
Basic XSS
CWE-87
- https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30 Product Release Notes
- https://github.com/chamilo/chamilo-lms/security/advisories/GHSA-h3m8-53j3-xjx8 Vendor Advisory
Published: 2 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026