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    CVE-2025-54880

    Mermaid is a JavaScript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. In the default configuration of mermaid 11.9.0 and earlier, user supplied input for architecture diagram icons is passed to the d3 html() method, creating a sink for cross site scripting. This vulnerability is fixed in 11.10.0.

    Published:Aug 19, 2025
    Last Modified:Oct 20, 2025
    EPS:Aug 19, 2025
    EPSS Score:0.00035
    CVSS Score:6.1

    Affected Products

    Vendor
    Mermaid Project
    Product
    Mermaid

    Exploits

    https://github.com/mermaid-js/mermaid/security/advisories/GHSA-8gwm-58g9-j8pwhttps://github.com/mermaid-js/mermaid/security/advisories/GHSA-8gwm-58g9-j8pw

    Related CVEs

    CVE-2026-71439 (CVSS 5.3) — Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. From v…
    CVE-2026-71438 (CVSS 2.4) — Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Prior …
    CVE-2026-50159 (CVSS 5.3) — Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Prior …
    CVE-2026-71437 (CVSS 6.5) — Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. From v…
    CVE-2026-71436 (CVSS 5.3) — Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. From v…
    CVE-2026-41150 (CVSS 5.3) — Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Prior …
    CVE-2026-41159 (CVSS 5.3) — Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Prior …
    CVE-2026-41149 (CVSS 5.3) — Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Versio…
    CVE-2026-41148 (CVSS 5.3) — Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Versio…
    CVE-2022-31108 (CVSS 4.1) — Mermaid is a JavaScript based diagramming and charting tool that uses Markdown-inspired text definitions and a…

    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