hunt-host-header
byelementalsouls· 56 skills
Hunt 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-fronted app, OAuth/OIDC endpoint, or absolute-URL-in-email feature.
How to install hunt-host-header?
elementalsouls/claude-bughunter/hunt-host-header
$npx -y skills add elementalsouls/claude-bughunter --skill hunt-host-headerInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/elementalsouls/claude-bughunter" --skill "elementalsouls/claude-bughunter/hunt-host-header"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/elementalsouls/claude-bughunter" that are relevant to the current task. Run `npx skills add "https://github.com/elementalsouls/claude-bughunter"` and select the relevant skills, then follow their instructions.
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