Security Advisory

CVE-2025-66400

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-12-01 22:17:42

Last updated 2025-12-02 15:34:24

Assigner GitHub_M

State PUBLISHED

Description

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.

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