CVE-2025-52564 MEDIUM

CVE-2025-52564: Chamilo: HTML injection via open parameter

Vendor Chamilo
Product chamilo-lms
Weakness CWE-80 · XSS · basic
Published March 2, 2026
Last update March 2, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 2, 2026 CVE published
March 2, 2026 Record updated