Vulnerability · Published Jan 26, 2024 · Assigned by GitLab
CVE-2023-5933Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab
Medium 6.4
In plain English
A medium-severity security flaw in GitLab from GitLab. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Severity (CVSS 3.1)6.4Medium
Exploit odds (30 days)0.7%top 47.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An issue has been discovered in GitLab CE/EE affecting all versions after 13.7 before 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1. Improper input sanitization of user name allows arbitrary API PUT requests.
Affected products (as reported)
Weakness: CWE-80 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
References
- https://about.gitlab.com/releases/2024/01/25/critical-security-release-gitlab-16-8-1-released/
- GitLab Issue #430236 issue-tracking, permissions-required
- HackerOne Bug Bounty Report #2225710 technical-description, exploit, permissions-required