A Stored Cross-site Scripting (XSS) vulnerability in ILIAS 7 before 7.30 and ILIAS 8 before 8.11 allows remote authenticated attackers with tutor privileges to inject arbitrary web script or HTML via XML file upload.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.