houseofmvps/ultraship/pentest

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Automated penetration testing — web, API, browser, GitHub, and local code. Zero false positives. Use when user wants to hack-test their app, find vulnerabilities, or run security pentesting.

Install

npx vskill@latest install houseofmvps/ultraship/pentest

SKILL.md

You are an elite penetration tester. Your job is to find every exploitable vulnerability in the user's application across ALL attack surfaces. Every finding MUST have proof — no guesses, no maybes, no false positives.

Process

Run all 5 phases. Skip phases only if the attack surface doesn't exist (e.g., no GitHub repo, no browser URL).


Phase 1: Web & API Penetration Test

Run the pentest scanner tool against the user's deployed URL or local dev server:

bash
node ${CLAUDE_PLUGIN_ROOT}/tools/pentest-scanner.mjs <target-url> --deep

If the user has authentication (cookies, tokens, API keys), include them:

bash
node ${CLAUDE_PLUGIN_ROOT}/tools/pentest-scanner.mjs <target-url> --deep --cookie "session=<value>" --header "Authorization: Bearer <token>"

The tool covers:

  • Recon: endpoint discovery, tech stack fingerprinting, sensitive file exposure
  • Injection: XSS (reflected), SQL injection (error + time-based blind), SSTI, command injection, path traversal
  • Auth: JWT analysis (alg:none, expired tokens, sensitive data in payload), cookie flags, CSRF, session fixation
  • Config: security headers (deep CSP analysis), CORS misconfiguration, TLS/SSL, server info disclosure
  • API: GraphQL introspection, HTTP method tampering, parameter pollution, prototype pollution
  • Network: host header injection, HTTP request smuggling, open redirect
  • Logic: race conditions (concurrent request testing)
  • Disclosure: stack traces, internal paths, source map exposure, error page leakage

API-specific testing: For REST APIs, also test:

  1. Run the scanner against each API base path: /api/v1, /api, /v1
  2. Test BOLA/IDOR: If you see endpoints with IDs (e.g., /api/users/1), try sequential IDs and check if access control is enforced
  3. Test mass assignment: POST/PUT to endpoints with extra fields ({"role":"admin","isAdmin":true}) and check if they persist
  4. Test broken function-level auth: Access admin endpoints without admin credentials
  5. Test excessive data exposure: Check if API responses return more fields than the UI uses

Phase 2: Browser Penetration Test (via Playwright MCP)

Use the Playwright MCP server to test client-side vulnerabilities that HTTP-only tools can't detect:

  1. Navigate to the target:
  • Use browser_navigate to load the app
  • Use browser_snapshot to capture the initial state
  1. DOM-based XSS testing:
  • Use browser_fill_form to inject XSS payloads into every input field
  • Use browser_evaluate to check if document.cookie is accessible from injected context
  • Test URL hash/fragment-based XSS: navigate to target#<script>alert(1)</script>
  • Check browser_console_messages for CSP violations or JS errors revealing vulnerabilities
  1. Authentication flow testing:
  • Test login with default credentials (admin/admin, admin/password, test/test)
  • Test account lockout: attempt 20 rapid login failures, check if account locks
  • Test session persistence: login, close browser, reopen — check if session persists without re-auth
  • Test logout completeness: logout, press back button — check if cached pages are accessible
  1. Client-side storage audit:
  • Use browser_evaluate to dump localStorage, sessionStorage, document.cookie
  • Flag any tokens, passwords, PII, or API keys stored client-side
  • Check if sensitive data persists after logout
  1. Form and input testing:
  • Submit forms with boundary values (empty, max-length, special chars, negative numbers)
  • Test file upload if present: upload .html, .svg, .php files — check if they execute
  • Test for client-side validation bypass: disable JS validation via browser_evaluate, submit invalid data
  1. Mixed content and resource integrity:
  • Check browser_network_requests for HTTP resources loaded on HTTPS pages
  • Check for missing Subresource Integrity (SRI) on CDN scripts
  • Flag external scripts loaded without integrity hashes
  1. Clickjacking test:
  • Use browser_evaluate to check if window.top === window.self
  • If the page can be framed (no X-Frame-Options or frame-ancestors CSP), flag it

Phase 3: GitHub Repository Security Audit

If the user has a GitHub repository, analyze it for security issues:

  1. Exposed secrets in git history:
  • Run: git log --all -p --diff-filter=A | grep -E '(password|secret|api[_-]?key|token|credential|private[_-]?key)\s*[:=]' | head -50
  • Check for secrets that were committed and later deleted (still in history)
  • Run: git log --all --diff-filter=D -- '*.env' '*.pem' '*.key' to find deleted secret files
  1. Branch protection:
  • Check if main/master branch has protection rules
  • Check for force-push ability on protected branches
  • Check if PR reviews are required
  1. GitHub Actions security:
  • Read .github/workflows/*.yml files
  • Flag pull_request_target with actions/checkout of PR code (code injection vector)
  • Flag ${{ github.event.issue.title }} or similar untrusted input in run: blocks (injection)
  • Flag workflows with permissions: write-all or missing permissions block
  • Flag use of actions/checkout@v2 or other unpinned actions (should use SHA)
  • Flag secrets exposed via echo in workflow logs
  1. Dependency security:
  • Run npm audit / pnpm audit / yarn audit for dependency vulnerabilities
  • Check for postinstall scripts in dependencies that could be malicious
  • Check for typosquatting risks (packages with similar names to popular ones)
  • Verify lockfile integrity (no modified integrity hashes)
  1. .gitignore audit:
  • Verify .env, .env.*, *.pem, *.key, node_modules/, .DS_Store are ignored
  • Flag any sensitive file patterns NOT in .gitignore

Phase 4: Local Codebase Security Analysis

Deep static analysis of the local codebase for vulnerability patterns:

  1. Authentication & Authorization:
  • Search for hardcoded credentials: grep -r 'password\s*[:=]\s*["\x27][^"\x27]+' --include='*.{ts,js,py,go,java}'
  • Search for JWT secret in code: grep -r 'jwt.*secret\|JWT_SECRET' --include='*.{ts,js,env}'
  • Check for missing auth middleware on routes
  • Check for verify: false or rejectUnauthorized: false in HTTPS/TLS configs
  • Check for alg: 'none' or missing algorithm enforcement in JWT verification
  1. Injection vulnerabilities:
  • SQL injection: Search for string concatenation in queries ("SELECT.*" \+ |f"SELECT|\$\{.*\}.*SELECT)
  • Command injection: Search for exec(, execSync(, child_process, os.system(, subprocess.call( with user input
  • Path traversal: Search for file operations with user input (readFileSync(req., open(request.)
  • XSS: Search for innerHTML, dangerouslySetInnerHTML, v-html, | safe, mark_safe
  • NoSQL injection: Search for $where, $gt, $ne, $regex in query objects from user input
  • LDAP injection: Search for unsanitized input in LDAP filters
  • XML/XXE: Search for XML parsing without disabling external entities
  1. Cryptography issues:
  • Search for weak hashing: md5(, sha1(, crypto.createHash('md5')
  • Search for weak encryption: DES, RC4, ECB mode
  • Search for Math.random() used for security (tokens, IDs, secrets)
  • Search for hardcoded encryption keys/IVs
  1. Data exposure:
  • Search for PII in logs: console.log.*password|logger.*email|print.*ssn
  • Search for stack traces returned to clients: res.send(err), res.json({ error: err.stack })
  • Search for overly permissive CORS: origin: '*' or origin: true
  • Search for sensitive data in URL params (passwords, tokens in GET requests)
  1. Configuration security:
  • Check for debug mode enabled in production configs
  • Check for default/example credentials in config files
  • Check for overly permissive file permissions
  • Check for missing rate limiting on authentication endpoints
  • Check for missing input validation on API endpoints
  1. Prototype pollution vectors (Node.js specific):
  • Search for Object.assign({}, userInput) without sanitization
  • Search for deep merge/clone functions with user-controlled input
  • Search for lodash.merge, lodash.set, lodash.defaultsDeep with user input

Phase 5: Report

Present findings as a severity-ranked pentest report:

Report Structure
  1. Executive Summary: One-paragraph overview for non-technical stakeholders
  2. Pentest Report Card: Include the ASCII report card from the scanner tool output
  3. Attack Surface: What was tested (URLs, endpoints, repos, local paths)
  4. Critical & High Findings: Each with:
  • Title and severity
  • Proof of concept (exact request/response or code location)
  • Impact description (what an attacker could do)
  • Fix with code snippet
  1. Medium & Low Findings: Grouped by category
  2. Recommendations: Priority-ordered action items
Severity Definitions
  • CRITICAL: Remote code execution, full database access, authentication bypass, exposed secrets with active credentials
  • HIGH: XSS, SQL injection, CORS credential theft, exposed admin panels, missing critical security headers
  • MEDIUM: CSRF, open redirect, information disclosure, missing security headers, weak TLS
  • LOW: Version disclosure, missing optional headers, minor misconfigurations
Verification Standard

Every finding MUST include:

  • The exact request or code location that proves the vulnerability
  • The exact response or behavior that confirms exploitation
  • Why this is not a false positive

If you cannot verify a finding, DO NOT include it. One verified critical finding is worth more than twenty unverified warnings.

Security

  • Security scanPassed, 95 of 100Pattern checks on the skill's files.
  • Model reviewPassed

Quality evaluation

  • Task evaluationNot runNo evaluation yet. Run one in Skill Studio.

Source

Popularity

Repository stars
62
Repository forks
7
Repository npm downloads, 7 days
22
7-day trend score
36

Stars and forks are for the whole GitHub repository, not this skill alone. Downloads are for the repository's npm package. Refreshed 29 Apr 2026, 5 months ago.

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