What is CVE-2026-53987?

CVE-2026-53987 is a medium-severity vulnerability in Pluginsglpi Glpi 11, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-07-09.

How severe is CVE-2026-53987?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Pluginsglpi Glpi 11

CVE-2026-53987

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 a…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H.

Affected products

Pluginsglpi Glpi 11 — versions 2.6.0
Tag Plugin Glpi 11 — versions 2.6.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (patch)

Frequently asked questions

What is CVE-2026-53987?: CVE-2026-53987 is a medium-severity vulnerability in Pluginsglpi Glpi 11, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-07-09.
How severe is CVE-2026-53987?: Medium severity. CVSS v3 base score is 6.4 out of 10.