XSS in GitLab
CVE-2023-5933
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.007 (50.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: -0.000
Affected products
- GitLab — versions 13.7, 16.8.0, 16.8
Weakness classification (CWE)
Public proof-of-concept exploits
References
- about.gitlab.com/releases/2024/01/25/critical-security-release-gitlab-16-8-1-re… (Vendor Advisory)
- gitlab.com/gitlab-org/gitlab/-/issues/430236 (issue-tracking, permissions-required, Broken Link)
- hackerone.com/reports/2225710 (Permissions Required, technical-description, permissions-required, exploit)
Frequently asked questions
- What is CVE-2023-5933?
- CVE-2023-5933 is a medium-severity vulnerability in GitLab, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 6.4/10. Published 2024-01-26.
- How severe is CVE-2023-5933?
- Medium severity. CVSS v3 base score is 6.4 out of 10.
- Is CVE-2023-5933 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.