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mdast-util-to-hast vulnerabilities

Vulnerabilities published for mdast-util-to-hast in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerability: 1

  1. CVE-2025-66400

    Medium · CVSS 6.9EPSS 0.33%Fix available

    mdast-util-to-hast unsanitized class attribute

    mdast-util-to-hast is an mdast utility to transform to hast. From 13.0.0 to before 13.2.1, multiple (unprefixed) classnames could be added in markdown source by using character references. This could make rendered user supplied markdown code elements appear like the rest of the page. This vulnerability is fixed in 13.2.1.

    mdast-util-to-hastNode.js
    • Update to 13.2.1
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

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