CVE-2025-9642

HIGH

GitLab 14.10-18.2.6, 18.3-18.3.2, 18.4 - Cross-Site Scripting

Title source: llm

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 14.10 before 18.2.7, 18.3 before 18.3.3, and 18.4 before 18.4.1 that could allow an attacker to inject malicious content that may lead to account takeover.

References (2)

Core 2

Core References

Broken Link issue-tracking permissions-required

https://gitlab.com/gitlab-org/gitlab/-/issues/566505

Permissions Required technical-description exploit permissions-required

https://hackerone.com/reports/3297413

Scores

CVSS v3 8.7

EPSS 0.0003

EPSS Percentile 10.5%

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 total

Details

CWE

CWE-79

Status published

Products (2)

gitlab/gitlab 18.4.0 (2 CPE variants)

gitlab/gitlab 14.10.0 - 18.2.7 (2 CPE variants)

Published Sep 26, 2025

Tracked Since Feb 18, 2026