Remote Code Execution can occur via the external news feed in ILIAS 6.4 because of incorrect parameter sanitization for Magpie RSS data.
ILIAS before 7.16 allows OS Command Injection.
Unrestricted file upload vulnerability in ilias.php in ILIAS 4.4.1 allows remote authenticated users to execute arbitrary PHP code by using a .php filename in an upload_files action to the uploadFiles command, and then accessing the .php file via a direct request to a certain client_id pathname.