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TI-2021-17108 Aliases CVE-2021-39878GHSA-352f-q892-q47q

Cross-site scripting in GitLab

Priority LOW 28CWE-79Published · Updated

Key facts

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

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

Summary

A stored Reflected Cross-Site Scripting vulnerability in the Jira integration in GitLab version 13.0 up to 14.3.1 allowed an attacker to execute arbitrary javascript code.

Why it matters now

EPSS 0.00805 57th percentileScored 2026-11-07
Fix Fixed GitLab (GitLab): 14.1.7, 14.2.5, 14.3.1

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
GitLabGitLab13.0 to before 14.1.7; 14.2 to before 14.2.5; 14.3 to before 14.3.114.1.7, 14.2.5, 14.3.1Patch availableCNA
  • GitLab VendorGitLab Affected 13.0 to before 14.1.7; 14.2 to before 14.2.5; 14.3 to before 14.3.1 Fixed in 14.1.7, 14.2.5, 14.3.1 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*13.0.0 to before 14.1.7VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*13.0.0 to before 14.1.7VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*14.2.0 to before 14.2.5VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*14.2.0 to before 14.2.5VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*14.3.0 to before 14.3.1VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*14.3.0 to before 14.3.1VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 13.0.0 to before 14.1.7 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 13.0.0 to before 14.1.7 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 14.2.0 to before 14.2.5 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 14.2.0 to before 14.2.5 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 14.3.0 to before 14.3.1 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 14.3.0 to before 14.3.1 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab (GitLab) Fixed in 14.1.7, 14.2.5, 14.3.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-39878
  2. 2026-10-03 Alias added: GHSA-352f-q892-q47q

References

  • 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