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npm: Happy DOM has cookie scope forgery: no DNS-label boundary on Domain= matching , attacker origin sets victim cookies

🗓️ 28 Oct 2026 21:06:13Reported by PatchstackType 
patchstack
 patchstack
🔗 patchstack.com👁 2 Views

Cookie scope forgery in Happy DOM allows attacker origin to set victim cookies.

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28 Oct 2026 21:06Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
2