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@excalidraw/mermaid-to-excalidraw vulnerabilities

Vulnerabilities published for @excalidraw/mermaid-to-excalidraw in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerability: 1

  1. GHSA-39h7-pwv7-rc3x

    Not ratedFix available

    Excalidraw vulnerable to XSS via Mermaid sequence diagram labels (KaTeX rendering)

    ### Impact `@excalidraw/[email protected]` depends on a Mermaid conversion package version that resolves to a Mermaid release affected by CVE-2025-54881 / GHSA-7rqq-prvp-x9jh. User-supplied Mermaid sequence diagram labels could trigger XSS through Mermaid’s KaTeX label rendering path. This is patched in `@excalidraw/[email protected]` by updating `@excalidraw/mermaid-to-excalidraw` to `2.2.2`, which uses a patched Mermaid 11 release. Moderate severity as this XSS requires manual user action - pasting unsafe Mermaid diagram into the Excalidraw editor. No semi-automated attack vector exists by default (such as accessing a link). ### Patches

    @excalidraw/mermaid-to-excalidrawNode.js
    • Update to 1.1.3
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

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