PT-2020-13403 · Gitlab · Gitlab Ce/Ee+1

Published 2020-06-19 · Updated 2024-03-06 · CVE-2020-13262

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 12.9 through 13.0.1

Description The issue allows for client-side code injection through Mermaid markup, enabling a specially crafted Mermaid payload to send PUT requests on behalf of other users via clicking on a link.

Recommendations For GitLab CE/EE versions 12.9 through 13.0.1, consider disabling Mermaid markup until a patch is available to prevent client-side code injection. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Special Elements Injection

Weakness Enumeration

CWE-74

Related Identifiers

BIT-GITLAB-2020-13262

CVE-2020-13262

Affected Products

Gitlab

Gitlab Ce/Ee

References · 9

• https://ubuntu.com/security/CVE-2020-13262 · Vendor Advisory
• https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13262.json · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-13262 · Security Note
• https://osv.dev/vulnerability/BIT-gitlab-2020-13262 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-13262 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-13262 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-13262 · Vendor Advisory
• https://gitlab.com/gitlab-org/gitlab/-/issues/211949 · Note
• https://hackerone.com/reports/824689 · Note