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.
https://github.com/glpi-project/glpi/security/advisories/GHSA-rcxj-fqr4-q34r
https://github.com/glpi-project/glpi/releases/tag/10.0.13
https://github.com/glpi-project/glpi/commit/69e0dee8de0c0df139b42dbfa1a8997888c2af95