Read the docs
TI-2020-16136 Aliases CVE-2020-26407GHSA-79rf-9vhj-jq9w

Cross-site scripting in Gitlab CE/EE

Priority LOW 26CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
High
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

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

Summary

A XSS vulnerability exists in Gitlab CE/EE from 12.4 before 13.4.7, 13.5 before 13.5.5, and 13.6 before 13.6.2 that allows an attacker to perform cross-site scripting to other users via importing a malicious project

Why it matters now

EPSS 0.00845 58th percentileScored 2026-11-07
Fix Fixed Gitlab CE/EE (GitLab): 13.4.7, 13.5.5, 13.6.2

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
GitLabGitlab CE/EE>=12.4; before 13.4.7; >=13.5; before 13.5.5; >=13.6; before 13.6.213.4.7, 13.5.5, 13.6.2Patch availableCNA
  • Gitlab CE/EE VendorGitLab Affected >=12.4; before 13.4.7; >=13.5; before 13.5.5; >=13.6; before 13.6.2 Fixed in 13.4.7, 13.5.5, 13.6.2 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*12.4.0 to before 13.4.7VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*12.4.0 to before 13.4.7VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*13.5.0 to before 13.5.5VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*13.5.0 to before 13.5.5VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*13.6.0 to before 13.6.2VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*13.6.0 to before 13.6.2VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 12.4.0 to before 13.4.7 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 12.4.0 to before 13.4.7 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 13.5.0 to before 13.5.5 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 13.5.0 to before 13.5.5 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 13.6.0 to before 13.6.2 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 13.6.0 to before 13.6.2 Vulnerable ·GitLab

Remediation

  • Fix · CNA Gitlab CE/EE (GitLab) Fixed in 13.4.7, 13.5.5, 13.6.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-26407
  2. 2026-10-03 Alias added: GHSA-79rf-9vhj-jq9w

References

Advisory 2

Other 1

  • 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