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TI-2021-05206 Aliases CVE-2021-22220GHSA-jr4h-pv5f-qr33

Cross-site scripting in GitLab

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

An issue has been discovered in GitLab affecting all versions starting with 13.10. GitLab was vulnerable to a stored XSS in blob viewer of notebooks.

Why it matters now

EPSS 0.00799 56th percentileScored 2026-11-07
Fix Fixed GitLab (GitLab): 13.12.2, 13.11.5, 13.10.5

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
GitLabGitLab13.12 to before 13.12.2; 13.11 to before 13.11.5; 13.10 to before 13.10.513.12.2, 13.11.5, 13.10.5Patch availableCNA
  • GitLab VendorGitLab Affected 13.12 to before 13.12.2; 13.11 to before 13.11.5; 13.10 to before 13.10.5 Fixed in 13.12.2, 13.11.5, 13.10.5 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*13.10 – 13.10.5; 13.11 – 13.11.5; 13.12 – 13.12.2VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:* Versions 13.10 – 13.10.5; 13.11 – 13.11.5; 13.12 – 13.12.2 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab (GitLab) Fixed in 13.12.2, 13.11.5, 13.10.5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-22220
  2. 2026-10-03 Alias added: GHSA-jr4h-pv5f-qr33

References

Advisory 1

Other 2

  • TI-2026-71508 Integer overflow in GitLab allows code execution on the server KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-58817 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab KEVCVSS 3.1CRITICAL 10.0
  • TI-2023-06425 Weak Password Recovery Mechanism for Forgotten Password in GitLab KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-05191 Code injection in GitLab KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-05161 Server-side request forgery in GitLab KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-02763 Injection in GitLab CVSS 3.1CRITICAL 9.9
See all 1506 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences