GLPI is an open-source asset and IT management software package that provides ITIL Service Desk features, licenses tracking and software auditing. An authenticated technician user can upload a malicious PHP script and hijack the plugin loader to execute this malicious script. Upgrade to 10.0.16.
https://github.com/glpi-project/glpi/security/advisories/GHSA-cwvp-j887-m4xh