CVE-2020-13262

    Dashboard / Vulnerabilities / CVE-2020-13262

    CVE-2020-13262

    Published: 19 Jun 2020Last Modified: 27 Aug 2026

    Summary:

    Details: 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

    References: https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13262.json, https://gitlab.com/gitlab-org/gitlab/-/issues/211949, https://hackerone.com/reports/824689

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 073a4ba8016203c9e48595afd3ddea430d9420a3
    Fixed -a83f3b1c8cee724f394fbf0c6872928e4f8e882b

    Affected versions

    13.0.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2020-13262 | CVE-DB