Test web applications for HTTP Host header injection vulnerabilities to identify password reset poisoning, web cache poisoning, SSRF, and virtual host routing manipulation risks.
Install
npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill testing-for-host-header-injectionnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill testing-for-host-header-injection -a claude-code -gnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill testing-for-host-header-injection -a codex -ggemini skills install https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git --path skills/testing-for-host-header-injectiongh skill install mukul975/Anthropic-Cybersecurity-Skills testing-for-host-header-injectiongit clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills /tmp/mukul975__Anthropic-Cybersecurity-Skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/testing-for-host-header-injection ~/.claude/skills/testing-for-host-header-injection # Claude Code
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/testing-for-host-header-injection ~/.agents/skills/testing-for-host-header-injection # Codex, Cursor, Gemini CLI, Copilot, OpenCode