CVE-2021-43861

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    CVE-2021-43861

    Published: 30 Dec 2021Last Modified: 7 Aug 2026

    Summary:

    Details: Mermaid is a Javascript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. Prior to version 8.13.8, malicious diagrams can run javascript code at diagram readers' machines. Users should upgrade to version 8.13.8 to receive a patch. There are no known workarounds aside from upgrading.

    References: https://github.com/mermaid-js/mermaid/releases/tag/8.13.8, https://github.com/mermaid-js/mermaid/security/advisories/GHSA-p3rp-vmj9-gv6v, https://github.com/mermaid-js/mermaid/commit/066b7a0d0bda274d94a2f2d21e4323dab5776d83

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -65592e0541790968703f16bc0b91a641b5443111

    Affected versions

    8.13.7
    8.13.6
    8.13.5

    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-2021-43861 | CVE-DB