CVE-2025-2255

HIGH

Gitlab < 17.8.6 - XSS

Title source: rule

Description

An issue has been discovered in Gitlab EE/CE for AppSec affecting all versions from 13.5.0 before 17.8.6, 17.9 before 17.9.3, and 17.10 before 17.10.1. Certain error messages could allow Cross-Site Scripting attacks (XSS). for AppSec.

References (2)

[Exploit, Issue Tracking] https://gitlab.com/gitlab-org/gitlab/-/issues/524635

[Permissions Required] https://hackerone.com/reports/2994150

Scores

CVSS v3 8.7

EPSS 0.0016

EPSS Percentile 36.7%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Classification

CWE

CWE-79

Status published

Affected Products (4)

gitlab/gitlab < 17.8.6

gitlab/gitlab

Timeline

Published Mar 27, 2025

Tracked Since Feb 18, 2026