CVE-2025-6186

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

State: Published
Severity: 8.7 High
Published: Aug 13, 2025
Updated: Aug 13, 2025
Reserved: Jun 16, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	8.7 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N	GitLab

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
GitLabGitLab	18.1 to before 18.1.4Affected 18.2 to before 18.2.2Affected

References

GitLab Issue #549844issue-trackingpermissions-required
HackerOne Bug Bounty Report #3189522technical-descriptionexploitpermissions-required

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