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testing-cors-misconfiguration

77 / 100 · Review before installing

Check before installing. Some of what it can do is expected: a coding skill usually runs build and test commands.

By yanacuti1121/Yana-AI (GitHub) · coding · 13 stars · scanned at commit 54d4aa9

Identifying and exploiting Cross-Origin Resource Sharing misconfigurations

Works with any agent that supports SKILL.md skills.

What this skill can do

Sends data to these websites: evil.com, evil.target.example.com, target.example.com.evil.com, eviltarget.example.com, target.example.com, target.example.com%60.evil.com, api.target.example.com, attacker.example.com

This is disclosed by the author in the skill's SKILL.md or README.

Found in 25 places.

Show 17 more

and 5 more places

Runs commands on your computer

The author does not mention this. Expected for a coding skill.

Found in 4 places.

Show 1 more

Downloads and installs other software

The author does not mention this.

Found in 1 place.

Safer alternatives

Low-risk skills in the same category (coding) that look related. Check that one does what you need.

Install

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

if [ -e ~/.agents/skills/'testing-cors-misconfiguration' ] || [ -L ~/.agents/skills/'testing-cors-misconfiguration' ]; then echo 'A skill folder named testing-cors-misconfiguration already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/yanacuti1121/Yana-AI' "$d" && git -C "$d" checkout --quiet '54d4aa9fa3241319f4d37212bd23826658bf6bed' -- '.claude/skills/testing-cors-misconfiguration' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/testing-cors-misconfiguration' ~/.agents/skills/'testing-cors-misconfiguration' && 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/'testing-cors-misconfiguration' ~/.claude/skills/'testing-cors-misconfiguration' (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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Score history

DateVersionScore
2026-11-1354d4aa977
2026-11-084a78f2077

Also found in

Identical copies of this skill exist at: