/vendor/htmlawed/htmlawed/htmLawedTest.php in the htmlawed module for GLPI through 10.0.2 allows PHP code injection.

GLPI is a free asset and IT management software package. From 0.72 until 10.0.26 and 11.0.8, an authenticated user without the required permission can enable debug mode. The affected user-setting update does not enforce the privilege boundary intended to restrict debug-mode activation. This issue is fixed in versions 11.0.8 and 10.0.26.

GLPI is a free asset and IT management software package. From 9.5.0 until 10.0.27 and 11.0.9, authenticated users could access ITIL followups, tasks, or solutions generated from templates without a read-permission check on the parent ticket, problem, or change. Depending on the template configuration, this could reveal information from parent items the user could not otherwise read. This issue is fixed in versions 10.0.27 and 11.0.9.