CVE-2026-53987 GLPI 11 before 2.14.4 Tag Plugin Stored Cross-Site Scripting in Kanban Badge Rendering

The Tag plugin for GLPI 11 before 2.14.4 stores the tag name without HTML sanitization and renders it into the Kanban badge markup via PluginTagTag::preKanbanContent without output escaping, resulting in stored cross-site scripting. An authenticated user with TAG MANAGEMENT create or update right...