CVE-2025-6186

HIGH

GitLab 18.1-18.1.4 and 18.2-18.2.2 - Authenticated Account Takeover via Work Item Name HTML Injection

Title source: llm
STIX 2.1

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed authenticated users to achieve account takeover by injecting malicious HTML into work item names.

References (2)

Core 2
Core References
Broken Link issue-tracking permissions-required
https://gitlab.com/gitlab-org/gitlab/-/issues/549844
Permissions Required technical-description exploit permissions-required
https://hackerone.com/reports/3189522

Scores

CVSS v3 8.7
EPSS 0.0007
EPSS Percentile 22.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
gitlab/gitlab 18.1.0 - 18.1.4 (2 CPE variants)
Published Aug 13, 2025
Tracked Since Feb 18, 2026