CVE-2025-66400
JavaScript vulnerability analysis and mitigation

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.


SourceNVD

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CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

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