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TI-2023-05848 Aliases CVE-2023-6371GHSA-h79h-c7qx-243v

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab

Priority MEDIUM 40CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · 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 CE/EE affecting all versions before 16.8.5, all versions starting from 16.9 before 16.9.3, all versions starting from 16.10 before 16.10.1. A wiki page with a crafted payload may lead to a Stored XSS, allowing attackers to perform arbitrary actions on behalf of victims.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0049 42nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix Fixed GitLab (GitLab): 16.8.5, 16.9.3, 16.10.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GitLabGitLab0.0 to before 16.8.5; 16.9 to before 16.9.3; 16.10 to before 16.10.116.8.5, 16.9.3, 16.10.1Patch availableCNA
  • GitLab VendorGitLab Affected 0.0 to before 16.8.5; 16.9 to before 16.9.3; 16.10 to before 16.10.1 Fixed in 16.8.5, 16.9.3, 16.10.1 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*before 16.8.5VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*before 16.8.5VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*16.9.0 to before 16.9.3VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*16.9.0 to before 16.9.3VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:16.10.0:*:*:*:community:*:*:*16.10.0VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:16.10.0:*:*:*:enterprise:*:*:*16.10.0VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions before 16.8.5 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions before 16.8.5 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 16.9.0 to before 16.9.3 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 16.9.0 to before 16.9.3 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:16.10.0:*:*:*:community:*:*:* Versions 16.10.0 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:16.10.0:*:*:*:enterprise:*:*:* Versions 16.10.0 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab (GitLab) Fixed in 16.8.5, 16.9.3, 16.10.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    GitLab 16.10.1, 16.8.5, 16.9.3

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2024-02628 Allocation of Resources Without Limits or Throttling in GitLabPriority LOW 31
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-6371
  2. 2026-10-03 Alias added: GHSA-h79h-c7qx-243v

References

Exploit 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