CVE-2026-33706

Chamilo LMS prior to 1.11.38 contains a privilege escalation via the REST API. An authenticated user with a REST API key can modify their own status through the update_user_from_username endpoint, allowing a student (status=5) to elevate to Teacher/CourseManager (status=1) and obtain course creat...

CVE-2025-50188

CVE-2025-50188 affects Chamilo LMS prior to version 1.11.30. The vulnerability arises from insufficient validation of user-supplied data in GET parameters for the scripts /plugin/vchamilo/views/syncparams.php and /plugin/vchamilo/ajax/service.php , enabling an attacker to alter database query log...

CVE-2026-30882

Chamilo LMS (versions ...). The issue is triggered when pagination controls render (more than 20 session categories). A fix is available in version 1.11.36, which patches this vulnerability. If you cannot upgrade, apply an input sanitization/encoding workaround for the affected parameter and revi...

CVE-2025-55289

Chamilo LMS has a stored XSS vulnerability in the social network and internal messaging features present in versions prior to 1.11.34. The issue allows an attacker to inject arbitrary JavaScript that executes in the browser of an authenticated user (including administrators) when viewing the inje...

CVE-2025-52475

CVE-2025-52475 affects Chamilo LMS before 1.11.30. A reflected XSS exists in the admin/user_list.php endpoint where the keyword_inactive parameter is not properly sanitized, allowing an attacker to inject JavaScript via a crafted URL. The issue is patched in version 1.11.30. No exploitation detai...

CVE-2026-30876

Chamilo LMS before version 1.11.36 is vulnerable to user enumeration via login response (valid vs invalid usernames). The issue has been fixed in 1.11.36. CVSS‑4.0 metrics indicate Network attack vector, Low confidentiality impact, and a Medium overall severity (6.3).

CVE-2026-31939

Chamilo LMS prior to 1.11.38 is affected by a path traversal vulnerability in main/exercise/savescores.php that allows arbitrary file deletion via user input from $_REQUEST['test'], concatenated into a filesystem path without canonicalization or traversal checks. The issue is fixed in version 1.1...