Hunt Host Header
elementalsouls/Claude-BugHunterHunt Host Header Injection — password reset poisoning → ATO, web cache poisoning via unkeyed Host/X-Forwarded-Host, routing-based SSRF (Host picks upstream → cloud metadata/internal services), path-override SSRF/ACL-bypass (X-Original-URL/X-Rewrite-URL), OAuth redirect_uri/issuer poisoning, and absolute-URL link poisoning in emails. High to Critical when it reaches ATO or mass cache poisoning. Built on public Host-header research (PortSwigger 'Practical web cache poisoning' + James Kettle, and the classic password-reset-poisoning class). Use on any forgot-password flow, CDN/reverse-proxy-front...
At a glance
/plugin marketplace add elementalsouls/Claude-BugHunter
/plugin install hunt-host-header
Setup, runtime and requirements describe elementalsouls/Claude-BugHunter, the repo this skill ships in.
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