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testing-for-xxe-injection-vulnerabilities
77 / 100 · Review before installing
Check before installing. Some of what it can do is expected: a security skill usually runs scanners and checks websites.
By mukul975/Anthropic-Cybersecurity-Skills (GitHub) · security · 35,906 stars · scanned at commit 54a7988
Discovering and exploiting XML External Entity injection vulnerabilities
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. Expected for a security skill.
Found in 21 places.
Show 17 more
- skills/testing-for-xxe-injection-vulnerabilities/SKILL.md, line 91
curl -s -X POST \ - skills/testing-for-xxe-injection-vulnerabilities/SKILL.md, line 101
curl -s -X POST \ - skills/testing-for-xxe-injection-vulnerabilities/SKILL.md, line 111
curl -s -X POST \ - skills/testing-for-xxe-injection-vulnerabilities/SKILL.md, line 121
curl -s -X POST \ - skills/testing-for-xxe-injection-vulnerabilities/SKILL.md, line 140
curl -s -X POST \ - skills/testing-for-xxe-injection-vulnerabilities/SKILL.md, line 152
curl -s -X POST \ - skills/testing-for-xxe-injection-vulnerabilities/SKILL.md, line 162
curl -s -X POST \ - skills/testing-for-xxe-injection-vulnerabilities/SKILL.md, line 191
curl -s -X POST \ - skills/testing-for-xxe-injection-vulnerabilities/SKILL.md, line 231
curl -s -X POST \ - skills/testing-for-xxe-injection-vulnerabilities/SKILL.md, line 256
curl -s -X POST \ - skills/testing-for-xxe-injection-vulnerabilities/SKILL.md, line 268
curl -s -X POST --max-time 5 \ - skills/testing-for-xxe-injection-vulnerabilities/SKILL.md, line 276
curl -s -X POST \ - skills/testing-for-xxe-injection-vulnerabilities/references/api-reference.md, line 27
resp = requests.post(url, headers=headers, data=xxe_payload) - skills/testing-for-xxe-injection-vulnerabilities/scripts/agent.py, line 75
resp = requests.post(url, headers=headers, data=xml_test, timeout=10, verify=False) - skills/testing-for-xxe-injection-vulnerabilities/scripts/agent.py, line 94
json_resp = requests.post(url, headers=json_headers, - skills/testing-for-xxe-injection-vulnerabilities/scripts/agent.py, line 96
xml_resp = requests.post(url, headers=xml_headers, - skills/testing-for-xxe-injection-vulnerabilities/scripts/agent.py, line 130
resp = requests.post(url, headers=headers, data=payload, timeout=15, verify=False)
and 1 more places
Runs commands on your computer
The author does not mention this. Expected for a security skill.
Found in 6 places.
Show 3 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 (security) 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-for-xxe-injection-vulnerabilities' ] || [ -L ~/.agents/skills/'testing-for-xxe-injection-vulnerabilities' ]; then echo 'A skill folder named testing-for-xxe-injection-vulnerabilities already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/mukul975/Anthropic-Cybersecurity-Skills' "$d" && git -C "$d" checkout --quiet '54a798831d2266a3ca61ce68a7acb80b81160d57' -- 'skills/testing-for-xxe-injection-vulnerabilities' && mkdir -p ~/.agents/skills && cp -R "$d"/'skills/testing-for-xxe-injection-vulnerabilities' ~/.agents/skills/'testing-for-xxe-injection-vulnerabilities' && 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-for-xxe-injection-vulnerabilities' ~/.claude/skills/'testing-for-xxe-injection-vulnerabilities' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.
Badge for your README
The badge for mukul975/Anthropic-Cybersecurity-Skills shows the score of its lowest-scoring skill.

[](https://zalavijaysinh.github.io/skilltrust/repos/mukul975/Anthropic-Cybersecurity-Skills/)
Score history
| Date | Version | Score |
|---|
| 2026-11-08 | 54a7988 | 77 |
| 2026-11-07 | 54a7988 | 77 |