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xss-html-injection

84 / 100 · Low risk

Fine to try. Some of what it can do is expected: a marketing skill usually talks to online services.

By kursku/skills (GitHub) · marketing · 128 stars · scanned at commit 346c313

This skill should be used when the user asks to "test for XSS vulnerabilities", "perform cross-site scripting attacks", "identify HTML injection flaws", "exploit client-side injection...

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'xss-html-injection' ] || [ -L ~/.agents/skills/'xss-html-injection' ]; then echo 'A skill folder named xss-html-injection already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/kursku/skills' "$d" && git -C "$d" checkout --quiet '346c313fd2ec241a088c68274da26c538422568b' -- 'packs/global-skillshare-import/wave-013/xss-html-injection' && mkdir -p ~/.agents/skills && cp -R "$d"/'packs/global-skillshare-import/wave-013/xss-html-injection' ~/.agents/skills/'xss-html-injection' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'xss-html-injection' ~/.claude/skills/'xss-html-injection' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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