CVE-2025-4278 PUBLISHED

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

Assigner: GitLab
Reserved: 05.05.2025 Published: 12.06.2025 Updated: 12.06.2025

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.

Metrics

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

Product Status

Vendor GitLab
Product GitLab
Versions Default: unaffected
  • affected from 18.0 to 18.0.2 (excl.)

Solutions

Upgrade to versions 18.0.2 or above.

Credits

  • Thanks [joaxcar](https://hackerone.com/joaxcar) for reporting this vulnerability through our HackerOne bug bounty program finder

References

Problem Types

  • CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) CWE