Vulnerability Database

308,681

Total vulnerabilities in the database

CVE-2021-22242

Insufficient input sanitization in Mermaid markdown in GitLab CE/EE version 11.4 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown

  • Published: Aug 25, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-22242
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.7
  • AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

CVSS v2:

  • Severity: Low
  • Score: 3.5
  • AV:N/AC:M/Au:S/C:N/I:P/A:N

CWEs:

OWASP TOP 10:

Software From Fixed in
gitlab / gitlab 14.1.0 14.1.2
gitlab / gitlab 14.0.0 14.0.7
gitlab / gitlab 11.4.0 13.12.9