Vulnerability Database

308,820

Total vulnerabilities in the database

CVE-2020-13262

Client-Side code injection through Mermaid markup in GitLab CE/EE 12.9 and later through 13.0.1 allows a specially crafted Mermaid payload to PUT requests on behalf of other users via clicking on a link

  • Published: Jun 19, 2020
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-13262
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.1
  • AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:N/I:P/A:N

CWEs:

Software From Fixed in
gitlab / gitlab 12.10.0 12.10.7
gitlab / gitlab 12.9.0 12.9.8
gitlab / gitlab 13.0.0 13.0.0.x