CVE-2025-4278 HIGH

CVE-2025-4278: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-80 · XSS · basic
Published June 12, 2025
Last update June 12, 2025

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.

Key dates

02Disclosure timeline

June 12, 2025 CVE published
June 12, 2025 Record updated