Reflected Cross-Site Scripting Vulnerability in Chamilo Learning Management System
CVE-2025-52476

5.1MEDIUM

Key Information:

Vendor

Chamilo

Status
Chamilo-lms
Vendor
CVE Published:
2 March 2026

What is CVE-2025-52476?

Chamilo, a widely used learning management system, is affected by a reflected cross-site scripting (XSS) vulnerability originating from inadequate sanitization of the 'keyword_active' parameter within the admin/user_list.php file. This flaw allows attackers to inject malicious scripts, potentially compromising user data and session integrity. The issue has been effectively addressed in version 1.11.30, which includes the necessary security patch to safeguard users against these types of attacks. It is highly recommended for all users to upgrade to this version to enhance their system's security.

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Deploy the Patch

Affected Version(s)

chamilo-lms < 1.11.30

References

https://github.com/chamilo/chamilo-lms/security/advisorie...
x_refsource_CONFIRM
https://github.com/chamilo/chamilo-lms/commit/349062d3153...
x_refsource_MISC
https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30
x_refsource_MISC

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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