CVE-2026-39878 Chamilo stored XSS via user registration leads to admin account takeover

Chamilo LMS versions 1.11.38 and earlier contain a stored cross-site scripting vulnerability in the user registration form that allows any unauthenticated attacker to execute arbitrary JavaScript in an administrator's browser session, leading to full platform admin account takeover. This has been...

CVE-2026-39878

Chamilo LMS vulnerable versions: 1.11.38 and earlier. A stored cross-site scripting flaw in the user registration form allows an unauthenticated attacker to run arbitrary JavaScript in an administrator’s browser session, enabling full platform admin account takeover. The issue is mitigated by upg...

CVE-2026-34239: Improper Authorization

Chamilo version 1.11.40 and earlier are vulnerable to authenticated remote code execution in the main/inc/ajax/lang.ajax.php path. This endpoint is protected only by apiprotectcoursescripttrue, which means any authenticated user enrolled in a course student, teacher, DRH can reach it...

PT-2026-61664

Name of the Vulnerable Software and Affected Versions Chamilo LMS versions prior to 1.11.40 Description A stored cross-site scripting issue exists in the user registration form. This allows an unauthenticated attacker to execute arbitrary JavaScript within the browser session of an administrator,...

PT-2026-61663

Name of the Vulnerable Software and Affected Versions Chamilo versions prior to 1.11.41 Description Authenticated users enrolled in a course, such as students, teachers, or DRH, can achieve remote code execution. The issue exists in the 'main/inc/ajax/lang.ajax.php' endpoint, which is only...

CVE-2026-39878: Improper Neutralization of Input During Web Page Generation

Chamilo LMS versions 1.11.38 and earlier contain a stored cross-site scripting vulnerability in the user registration form that allows any unauthenticated attacker to execute arbitrary JavaScript in an administrator's browser session, leading to full platform admin account takeover. This has been...

CVE-2026-34160

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, the PENS Package Exchange Notification Services plugin endpoint at public/plugin/Pens/pens.php is accessible without authentication and accepts a user-controlled package-url parameter that the server fetche...

CVE-2026-32930

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, an Insecure Direct Object Reference IDOR vulnerability in the gradebook evaluation edit page allows any authenticated teacher to view and modify the settings name, max score, weight of evaluations belonging to any other...

CVE-2026-33618

Chamilo LMS is a learning management system. Prior to .0.0-RC.3, the PlatformConfigurationController::decodeSettingArray method uses PHP's eval to parse platform settings from the database. An attacker with admin access obtainable via Advisory 1 can inject arbitrary PHP code into the settings,...

CVE-2026-33715

Chamilo LMS is an open-source learning management system. In version 2.0-RC.2, the file public/main/inc/ajax/install.ajax.php is accessible without authentication on fully installed instances because, unlike other AJAX endpoints, it does not include the global.inc.php file that performs...

CVE-2026-31941

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, Chamilo LMS contains a Server-Side Request Forgery SSRF vulnerability in the Social Wall feature. The endpoint readurlwithopengraph accepts a URL from the user via the socialwallnewmsgmain POST parameter and performs tw...

CVE-2026-40291

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, an insecure direct object modification vulnerability in the PUT /api/users/id endpoint allows any authenticated user with ROLESTUDENT to escalate their privileges to ROLEADMIN by modifying the roles field o...

CVE-2026-35196

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, an OS Command Injection vulnerability exists in the main/inc/ajax/gradebook.ajax.php endpoint within the exportallcertificates action, where the course code retrieved from the session variable $SESSION'cid'...

Exploit for Unrestricted Upload of File with Dangerous Type in Chamilo Chamilo_Lms

ChamiloLMS CVE-2023-4220 Exploit Python exploit for CVE-202...

Exploit for Server-Side Request Forgery in Chamilo Chamilo_Lms

CVE-2026-33715 — Unauthenticated SSRF + Open Email Relay in Ch...

CVE-2026-34161

Chamilo LMS is an open-source learning management system. In versions prior to 2.0.0-RC.3, a Stored Cross-Site Scripting XSS vulnerability exists in the social post attachment upload functionality, where an authenticated user can upload a malicious HTML file containing JavaScript via the...

CVE-2026-33714

Chamilo is an open-source learning management system LMS. Version 2.0.0-RC.2 contains a SQL Injection vulnerability in the statistics AJAX endpoint, which is an incomplete fix for CVE-2026-30881. While CVE-2026-30881 was patched by applying Security::removeXSS to the datestart and dateend...

CVE-2026-33705

Chamilo LMS is a learning management system. Prior to 1.11.38, Twig template files .tpl under /main/template/default/ are directly accessible without authentication via HTTP GET requests. These templates expose internal application logic, variable names, AJAX endpoint URLs, and admin panel...

CVE-2026-33708

Chamilo LMS is a learning management system. Prior to 1.11.38, the getuserinfofromusername REST API endpoint returns personal information email, first name, last name, user ID, active status of any user to any authenticated user, including students. There is no authorization check. This...

CVE-2026-32893

Chamilo LMS is a learning management system. Prior to 2.0.0-RC.3, a Reflected Cross-Site Scripting XSS vulnerability in the exercise question list admin panel allows an attacker to execute arbitrary JavaScript in an authenticated teacher's browser. The pagination code merges all $GET parameters v...