XSS in GitLab
CVE-2021-22199
An issue has been discovered in GitLab affecting all versions starting with 12.9. GitLab was vulnerable to a stored XSS if scoped labels were used.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.008 (54.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- GitLab — versions >=13.10, <13.10.1, >=13.9.0, <13.9.5, >=12.9, <13.8.7
Weakness classification (CWE)
References
- gitlab.com/gitlab-org/gitlab/-/issues/291004 (Broken Link)
- hackerone.com/reports/1050189 (Permissions Required, Third Party Advisory)
- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22199.json (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22199?
- CVE-2021-22199 is a low-severity vulnerability in GitLab, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2021-04-22.
- How severe is CVE-2021-22199?
- Low severity. CVSS v3 base score is 3.5 out of 10.