CVE-2025-2254

HIGH

GitLab 17.9-17.10.8, 17.11-17.11.4, 18.0-18.0.2 - Cross-Site Scripting in Snippet Viewer

Title source: llm

Description

An issue has been discovered in GitLab CE/EE affecting all versions from 17.9 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2. Improper output encoding in the snipper viewer functionality lead to Cross-Site scripting attacks.

References (2)

Core 2

Core References

Broken Link issue-tracking permissions-required

https://gitlab.com/gitlab-org/gitlab/-/issues/524636

Permissions Required technical-description exploit permissions-required

https://hackerone.com/reports/2973939

Scores

CVSS v3 8.7

EPSS 0.0028

EPSS Percentile 51.6%

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 (1)

gitlab/gitlab 17.9.0 - 17.10.8 (2 CPE variants)

Published Jun 12, 2025

Tracked Since Feb 18, 2026