Unrestricted file upload in /main/inc/ajax/document.ajax.php in Chamilo LMS <= v1.11.24 allows authenticated attackers with learner role to obtain remote code execution via uploading of PHP files.
/main/inc/ajax/document.ajax.php
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4223.json"