Incorrect access control in Chamilo 1.11.* up to 1.11.18 allows a student subscribed to a given course to download documents belonging to another student if they know the document's ID.
A reflected cross-site scripting (XSS) vulnerability in Chamilo LMS v1.11.13 allows attackers to execute arbitrary web scripts or HTML via user interaction with a crafted URL.
A Server-Side Request Forgery (SSRF) in Chamilo LMS v1.11.13 allows attackers to enumerate the internal network and execute arbitrary system commands via a crafted Phar file.
A remote code execution (RCE) vulnerability in course_intro_pdf_import.php of Chamilo LMS v1.11.x allows authenticated attackers to execute arbitrary code via a crafted .htaccess file.
A stored cross-site scripting (XSS) vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the course "Title" and "Content" fields.