CVE-2026-53987

Tag Plugin for GLPI 11 before 2.14.4 Stored Cross-Site Scripting in Kanban Badge Rendering

Published Jul 9, 2026 CVSS 4.0 · 7.3 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title GLPI 11 before 2.14.4 Tag Plugin Stored Cross-Site Scripting in Kanban Badge Rendering Tag Plugin for GLPI 11 before 2.14.4 Stored Cross-Site Scripting in Kanban Badge Rendering
Type Values Removed Values Added
Title GLPI 11 < 2.14.4 Tag Plugin Stored Cross-Site Scripting in Kanban Badge Rendering GLPI 11 before 2.14.4 Tag Plugin Stored Cross-Site Scripting in Kanban Badge Rendering
Type Values Removed Values Added
First Time appeared Pluginsglpi
Pluginsglpi glpi 11
Vendors & Products Pluginsglpi
Pluginsglpi glpi 11
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title GLPI 11 < 2.14.4 Tag Plugin Stored Cross-Site Scripting in Kanban Badge Rendering
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 7.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 8, 2026, 2:05 PM
Reserved
Jun 11, 2026, 4:07 PM
Status
Deferred
Published
Jul 9, 2026, 5:17 PM
Modified
Oct 29, 2026, 9:17 PM