CVE-2025-52564: Chamilo Lms

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Chamilo is a learning management system. Prior to version 1.11.30, the open parameter of help.php fails to properly sanitize user input. This allows an attacker to inject arbitrary HTML, such as underlined text, via a crafted URL. This issue has been patched in version 1.11.30.

Affected products

• Chamilo Chamilo Lms: before 1.11.30 (fixed in 1.11.30)

Published 2026-03-02. Last modified 2026-06-17.