Tag Plugin for GLPI 11 before 2.14.4 Stored Cross-Site Scripting in Kanban Badge Rendering
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| pluginsGLPI | tag | 2.6.0 to before 2.14.4 | 2.14.4 | Patch available | CNA |
- tag VendorpluginsGLPI Affected 2.6.0 to before 2.14.4 Fixed in 2.14.4 Patch available CNA
Remediation
- Fix · CNA tag (pluginsGLPI) Fixed in 2.14.4
Timeline
- 2026-10-02 Threatist record created from CVE-2026-53987
- 2026-10-03 Alias added: GHSA-qc6r-wrm6-23pm
- 2026-10-29 Title updated · CNA
- 2026-10-29 Fix available: pluginsGLPI/[email protected] · CNA
References
Other 1
More pluginsGLPI vulnerabilities
- TI-2024-36046 The Addressing GLPI plugin allows data enumeration through uncontrolled object instantiation CVSS 3.1HIGH 8.2
- TI-2025-20010 Escalade GLPI Plugin Vulnerable to Improper Access Control CVSS 3.1MEDIUM 6.5
- TI-2026-09772 GLPI DataInjection Plugin Authenticated SQL Injection via CSV Import CVSS 4.0HIGH 7.1
- TI-2024-30621 Fields GLPI plugin has an Authenticated SQL Injection CVSS 3.1HIGH 7.7
- TI-2025-40221 GLPI Database Inventory Plugin Vulnerable to Stored Object Injection CVSS 3.1MEDIUM 6.4
- TI-2025-33324 pluginsGLPI's Database Inventory Plugin allows any authenticated user to send agent requests CVSS 3.1MEDIUM 4.3
Sources
- CVE-2026-53987 · CVE Program
- CVE-2026-53987 · NVD
- FIRST EPSS
- GHSA-qc6r-wrm6-23pm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences