Chamilo is a learning management system. Prior to version 1.11.30, there is an OS Command Injection vulnerability in /main/cron/lang/check_parse_lang.php. This issue has been patched in version 1.11.30.Referenceshttps://github.com/chamilo/chamilo-lms/security/advisories/GHSA-xrr6-wv8p-5v3phttps://github.com/chamilo/chamilo-lms/commit/4d07349340543b9c913e76f8cb436a4570500ce2https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.30