CVE-2025-52563

Medium

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.

SeverityMedium

CVSS6.1

Exploit probability—

Product

Chamilo Lms

PublishedMar 2, 2026

First seenMar 2, 2026

Weakness typeCWE-79Cross-site scripting (XSS)CWE-80CWE-80 CWE-87CWE-87

How to fix

Update

chamilo chamilo_lms1.11.30 or later

Affected products

Product	Affected versions	Fixed in
chamilo chamilo_lms	v < 1.11.30	1.11.30

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