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prototype-pollution-clientside

100 / 100 · Low risk

Fine to try.

By zaurqasimov1337/MilliSec-Pentest-AI (GitHub) · security · 18 stars · scanned at commit 42679ad

Prototype pollution (server-side and client-side) plus deep client-side security — DOM clobbering, client-side CSRF/open-redirect, postMessage origin validation, web-storage/IndexedDB secrets, source-map exposure, and client-side authorization/validation bypass. Use on JS-heavy SPAs and any app with recursive merge / JSON object handling. CWE-1321/79/601.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

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

if [ -e ~/.agents/skills/'prototype-pollution-clientside' ] || [ -L ~/.agents/skills/'prototype-pollution-clientside' ]; then echo 'A skill folder named prototype-pollution-clientside already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/zaurqasimov1337/MilliSec-Pentest-AI' "$d" && git -C "$d" checkout --quiet '42679ad1a7e37f987629977c96ab0f985491f31e' -- '.claude/skills/prototype-pollution-clientside' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/prototype-pollution-clientside' ~/.agents/skills/'prototype-pollution-clientside' && 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/'prototype-pollution-clientside' ~/.claude/skills/'prototype-pollution-clientside' (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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