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@tinacms/mdx vulnerabilities

Vulnerabilities published for @tinacms/mdx in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerabilities: 1

  1. CVE-2026-55661

    Medium · CVSS 4.8EPSS 0.4%Fix available

    TinaCMS rich-text (slatejson) rendering does not sanitize link/image URLs, allowing stored XSS via dangerous URL schemes

    Tina is a headless content management system. In versions prior to @tinacms/mdx 2.1.7 and tinacms 3.9.3, rich-text parsing and the default link/image renderers did not sanitize the url field on Slate link/image nodes. Content containing javascript: or data:text/html URLs — including case-variant, whitespace-padded, and control-character-obfuscated forms — is rendered into href/src and executes when the content is viewed. Any actor able to author rich-text content (for example a lower-privileged editor, or imported/external content) can achieve stored XSS against editors and site viewers. This issue is fixed in versions @tinacms/mdx 2.1.7 an

    @tinacms/mdxNode.js
    • Update to 2.1.7
    Published Updated
    Source advisory 1 ↗Source advisory 2 ↗Source advisory 3 ↗

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