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mdast-util-to-hast has unsanitized class attribute

🗓️ 02 Dec 2025 01:25:46Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 3 Views

mdast-util-to-hast has unsanitized class attributes enabling user-controlled classes on code blocks.

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06 Feb 2026 19:00Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.15.3
CVSS 46.9
EPSS0.00086
SSVC
3