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CVE-2026-53987Tag Plugin for GLPI 11 before 2.14.4 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 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.
7.3 HIGHEPSS 0.50%Not in KEVNVD: Deferred
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.3 | HIGH | 4.0VulnCheck (CNA) | 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 |
| 6.4 | MEDIUM | 3.1VulnCheck (CNA) | CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H |
Details
- CVE ID
- CVE-2026-53987
- Status
- Deferred
- Assigner (CNA)
- VulnCheck
- Published
- Jul 9, 2026
- Last modified
- 2026-10-29 21:17 UTC
- Weaknesses
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
As published by the CNA in the CVE record.
pluginsGLPItag1 version range
- 2.6.0 before 2.14.4
References
- github.com https://github.com/pluginsGLPI/tag
- github.com https://github.com/pluginsGLPI/tag/commit/49e6b6eb5f83bcd84139a5e5ec54c0ddd14acc90
- github.com https://github.com/pluginsGLPI/tag/releases/tag/2.14.4
- github.com https://github.com/pluginsGLPI/tag/security/advisories/GHSA-6rpj-89c7-x2mh
- vulncheck.com https://www.vulncheck.com/advisories/glpi-tag-plugin-stored-cross-site-scripting-in-kanban-badge-rendering