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I. Basic Information for CVE-2025-66400
Vulnerability Information

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Vulnerability Title
mdast-util-to-hast unsanitized class attribute
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
mdast-util-to-hast 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mdast-util-to-hast是syntax-tree开源的一个将mdast转化为has的实用程序。 mdast-util-to-hast 13.2.1之前版本存在安全漏洞,该漏洞源于类名处理不当,可能导致渲染问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
syntax-treemdast-util-to-hast >= 13.0.0, < 13.2.1 -
II. Public POCs for CVE-2025-66400
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III. Intelligence Information for CVE-2025-66400
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IV. Related Vulnerabilities
V. Comments for CVE-2025-66400

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