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exploit-xxe

72 / 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 BitterSecurity/Decepticon (GitHub) · coding · 6,581 stars · scanned at commit bdb1016

XML External Entity (XXE) injection — local file reading via XML parsers, SOAP/WSDL API exploitation, blind out-of-band exfiltration, SVG/DOCX/XLSX upload XXE. Use for any challenge involving XML processing, SOAP endpoints, WSDL services, or XML-based file upload parsing.

Works with any agent that supports SKILL.md skills.

What this skill can do

Connects to the internet

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

Found in 17 places.

Show 14 more

Runs commands on your computer

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

Found in 6 places.

Show 3 more

Reads your saved credentials, such as SSH keys or .env files

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/'exploit-xxe' ] || [ -L ~/.agents/skills/'exploit-xxe' ]; then echo 'A skill folder named exploit-xxe already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/BitterSecurity/Decepticon' "$d" && git -C "$d" checkout --quiet 'bdb1016c93ed687f61ac57481da298c25a47c8f5' -- 'packages/decepticon/decepticon/skills/standard/exploit/web/xxe' && mkdir -p ~/.agents/skills && cp -R "$d"/'packages/decepticon/decepticon/skills/standard/exploit/web/xxe' ~/.agents/skills/'exploit-xxe' && 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/'exploit-xxe' ~/.claude/skills/'exploit-xxe' (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
2026-11-11bdb101672
2026-11-08df8795572