Description
An issue has been discovered in GitLab CE/EE affecting all versions from 15.10 before 18.0.5, 18.1 before 18.1.3, and 18.2 before 18.2.1 that, under specific circumstances, could have potentially allowed a successful attacker to trigger unintended content rendering leading to XSS.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| GitLab | GitLab | 15.10 – < 18.0.5, 18.1 – < 18.1.3, 18.2 – < 18.2.1 | 18.0.5 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | gitlab | No fix yet | — |
Advisories 1
- WID-SEC-2025-1627 GitLab: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 24, 2025
References
- GitLab Issue #542915 issue-tracking permissions-required
- HackerOne Bug Bounty Report #3120062 technical-description exploit permissions-required