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+# Pentest mini-report — versila22/lima-app — 2026-06-16
+
+**Probed URL:** https://limaimpro.duckdns.org/
+**Stack:** React 18 + Vite 7 / npm / PWA=yes (vite-plugin-pwa, workbox autoUpdate)
+**Backend:** FastAPI (Python) on Railway · nginx SPA proxy in Docker
+**Counts:** Critical=0 High=2 Medium=1 Low=2 Info=1
+
+## Findings
+
+| Sev | Cat | Title | Location |
+|---|---|---|---|
+| High | DAST | CSP style-src unsafe-inline | nginx.conf:12 |
+| High | SCA | vitest <3.2.6 — arbitrary file read/execute via UI server (GHSA-5xrq-8626-4rwp) | package.json / vitest@3.2.4 (devDep) |
+| Medium | SCA | react-router 6.30.3 open redirect via `//`-prefixed path (GHSA-2j2x-hqr9-3h42) | package.json / react-router@6.30.3 |
+| Low | SAST | JWT access token stored in sessionStorage (Safari cross-origin cookie workaround) | src/lib/api.ts:45 |
+| Low | Info | Leftover dev artifacts committed to repo (api.ts.orig, api_upload.patch) | src/lib/api.ts.orig, src/lib/api_upload.patch |
+| Info | Infra | Default FRONTEND_URL (`improv-cabaret-planner.lovable.app`) injected into CORS allowlist when env var is unset | backend/app/config.py:36 |
+
+## Top 3 fixes
+1. **CSP unsafe-inline style-src** — Replace `'unsafe-inline'` with CSS hashes/nonces or move to external stylesheets to prevent CSS injection.
+2. **react-router open redirect** — Upgrade `react-router-dom` to ≥6.30.4 (already near the boundary — single patch bump).
+3. **vitest devDep** — Upgrade `vitest` to ≥3.2.6; the Vitest UI server (`vitest --ui`) should never be exposed on a shared/CI host.
+
+## Evidence (Critical/High only)
+
+**CSP unsafe-inline style-src** · nginx.conf:12
+```
+style-src 'self' 'unsafe-inline';
+```
+Allows attacker-controlled inline `<style>` injection (if another sink permits HTML injection) to exfiltrate data via CSS attribute selectors. `script-src 'self'` (no unsafe-inline) limits XSS risk but CSS injection remains.
+Fix: use hashes for known inline styles; eliminate `'unsafe-inline'`.
+
+**vitest 3.2.4 (devDep)** · GHSA-5xrq-8626-4rwp — CVSS 9.8
+```
+"vitest": "^3.2.4"  →  installed 3.2.4  (fix: 3.2.6)
+```
+When `vitest --ui` is running, arbitrary files can be read and executed by any network-reachable client. Production build is unaffected (devDependency not bundled), but CI runners and developer machines are at risk if the UI is exposed.
+Fix: `npm install -D vitest@^3.2.6`.
+
+## Verified safe
+- HSTS present: `max-age=31536000; includeSubDomains` (nginx.conf:14)
+- X-Frame-Options: DENY (nginx.conf:16)
+- X-Content-Type-Options: nosniff (nginx.conf:15)
+- Referrer-Policy: strict-origin-when-cross-origin (nginx.conf:17)
+- CORS: explicit allowlist (no wildcard), `allow_credentials=True` paired with enumerated origins only — not reflective
+- No dangerouslySetInnerHTML on user input: chart.tsx:70 uses static config keys, not user data
+- No secrets/API keys found in committed source
+- TLS: 1.2 + 1.3 only (1.0/1.1 disabled) — valid cert (expires 2026-07-16)
+- Sensitive files (.env, .git/config): 403 from CDN/WAF layer
+- Service worker scope: `/` with NetworkFirst caching for API — no auth route pre-caching issue
+- JWT_SECRET default rejected at startup in non-dev mode (model_validator guard in config.py)
+
+## Needs server-side verification
+- Backend CORS actual production value of `CORS_ORIGINS` env var on Railway (verify `improv-cabaret-planner.lovable.app` is excluded in prod)
+- Railway API response headers — confirm SecurityHeadersMiddleware headers are forwarded through proxy
+- PWA workbox cache on auth routes — verify API cache excludes session-sensitive endpoints
+
+## Tools
+ran=npm-audit, grep-secrets, curl-headers(blocked-403), openssl-tls, nginx.conf-review, source-sast
+skipped=pnpm-audit(not used in this repo), nmap(not authorized)