CVE-2026-53987
GLPI 11 before 2.14.4 Tag Plugin Stored Cross-Site Scripting in Kanban Badge Rendering
CVSS Score
6.4
EPSS Score
0.3%
EPSS Percentile
26th
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 rights can set a tag name containing HTML, which then executes in the browser of any user who opens the Kanban view of a ticket, problem, change, or project the tag is attached to.
| CWE | CWE-79 |
| Vendor | tag plugin |
| Product | glpi 11 |
| Published | Jul 9, 2026 |
| Last Updated | Jul 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Tag plugin / GLPI 11
2.6.0 < 2.14.4
References
Credits
🔍 chapochapo