CVE-2025-11224

HIGH

GitLab 15.10-18.3.5, 18.4-18.4.3, 18.5-18.5.1 - Authenticated Stored Cross-Site Scripting via Kubernetes Proxy

Title source: llm
STIX 2.1

Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.10 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated user to execute stored cross-site scripting through improper input validation in the Kubernetes proxy functionality.

References (3)

Core 3
Core References
Broken Link, Issue Tracking issue-tracking permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/573223
Permissions Required technical-description exploit permissions-required
https://hackerone.com/reports/3277291

Scores

CVSS v3 7.7
EPSS 0.0004
EPSS Percentile 13.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-79
Status published
Products (1)
gitlab/gitlab 15.10.0 - 18.3.6 (2 CPE variants)
Published Jan 14, 2026
Tracked Since Feb 18, 2026