UBUNTU-CVE-2020-13262

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    UBUNTU-CVE-2020-13262

    Published: 19 Jun 2020Last Modified: 24 Oct 2025
    Upstream:
    CVE-2020-13262

    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://ubuntu.com/security/CVE-2020-13262, 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, https://www.cve.org/CVERecord?id=CVE-2020-13262

    Affected packages

    Package

    Name: gitlab

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-5?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    8.4.3+dfsg-9
    8.4.3+dfsg-12

    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
    UBUNTU-CVE-2020-13262 | CVE-DB