GLPI is a Free Asset and IT Management Software package, Data center management, ITIL Service Desk, licenses tracking and software auditing. An unauthenticated user can provide a malicious link to a GLPI administrator in order to exploit a reflected XSS vulnerability. The XSS will only trigger if the administrator navigates through the debug bar. This issue has been patched in version 10.0.13.
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.