XSS in Gitlab
CVE-2021-22225
Insufficient input sanitization in markdown in GitLab version 13.11 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.006 (43.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Gitlab — versions >=13.11.3, <13.11.6, >=13.12, <13.12.6, >=14.0, <14.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@gitlab.com (x_refsource_MISC, Broken Link)
- cve@gitlab.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22225?
- CVE-2021-22225 is a medium-severity vulnerability in Gitlab, classified under Cross-site Scripting. CVSS score: 4.7/10. Published 2021-07-07.
- How severe is CVE-2021-22225?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2021-22225 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.