Vulnerability data, scanning and audit services. A listing here is not an endorsement of the scanner’s accuracy.
Paid security exposure-surface audit — HSTS preload-list membership via hstspreload.org API + HSTS header detection, RFC 9116 security.txt presence+format-validity (Contact/Expires/Canonical/Preferred-Languages), 18-path...
Paid security.txt RFC 9116 deep audit — path discovery tries /.well-known/security.txt then /security.txt, parses all fields with line-continuation support, strict Contact format validation (mailto: + https://), strict E...
Paid deep WCAG 2.1/2.2 AA accessibility audit — forms+inputs (label/aria-label/aria-labelledby/placeholder), autocomplete token validity, button+link accessible-name, heading hierarchy (skip-level + multiple-h1 detection...
Paid per-cookie security-flags deep audit — parses every Set-Cookie individually for SameSite (Strict/Lax/None/missing/Lax-by-default-heuristic) + Secure + HttpOnly + Path + Domain (broad-domain detection) + Max-Age + Ex...
Paid HTTP-method policy + dangerous-method exposure audit — OPTIONS Allow/DAV/ACAO/ACAM + TRACE echo-back + CONNECT + PUT/DELETE/PATCH write exposure + 4 method-override header sniffing (X-HTTP-Method-Override/X-Method-O...
Paid form security + accessibility audit — per-form action analysis (empty/#/javascript:/data:/mixed-content http-on-https), method (GET with passwords = credential-in-URL), enctype (text/plain CRLF injection), target=_b...
Paid cache-freshness strategy audit — probes HTML page + /favicon.ico + /robots.txt + /sitemap.xml + first stylesheet URL + first script URL; for each captures Cache-Control directives + ETag + Last-Modified + Age + Vary...
Paid deep Content-Security-Policy analyzer — parses ALL 4 CSP delivery mechanisms (header + meta + report-only variants), classifies each source value (wildcard/scheme/host/nonce/hash/unsafe-inline/unsafe-eval/strict-dyn...
Paid redirect-chain security audit — full chain traversal (max 10 hops), open-redirect detection (//, @, javascript:), cross-domain count, https-only check, meta-refresh detection, redirect-security_score A-F grade via x...
Paid deep HTTP header policy audit — 30+ headers across 12 groups: CSP (Content-Security-Policy + Report-Only) + HSTS (max-age + includeSubDomains) + COOP/COEP/CORP/Origin-Agent-Cluster + Permissions-Policy (feature list...
Paid active HTTP/2 SETTINGS frame probe (cycle 106) — opens fresh TCP, performs TLS 1.3 handshake with ALPN ["h2", "http/1.1"], sends the HTTP/2 client connection preface (PRI * HTTP/2.0 + 24-byte magic + client SETTINGS...
Paid brand-impersonation risk synthesis (cycle 106) — aggregates 8 signals (domain age via crt.sh, BIMI RFC 8848 record, RFC 9116 security.txt, llms.txt presence, /.well-known/x402 honest declaration, https→http redirect...
Paid deep WAI-ARIA accessibility audit (cycle 113) — parses every element with role= or aria-*, checks INTERACTIVE ROLES MISSING ACCESSIBLE NAMES (button/checkbox/combobox/img/link/listbox/menu/menuitem/option/progressba...
Paid clickjacking-protection audit (cycle 115) — fetches the page headers + body, audits (a) X-Frame-Options presence + value (DENY/SAMEORIGIN valid, ALLOW-FROM deprecated per Chrome/Edge), (b) CSP frame-ancestors policy...
Paid Permissions-Policy + Feature-Policy header audit (cycle 124, x402 $0.001) - fetches target URL + iterates ALL Permissions-Policy (modern) AND Feature-Policy (legacy) headers, parses 17 tracked features (camera/micro...
Paid HTTP request-smuggling CL.TE/TE.CL/TE.TE tolerance evidence probe (cycle 129, x402 $0.001) - opens low-level socket (bypasses urllib header normalization) to target host, sends 6 PortSwigger-style evidence requests...
Paid WebAssembly CSP + wasm-unsafe-eval coverage analyzer (cycle 137, x402 $0.001) - fetches target URL, scans for WASM indicators (inline WebAssembly.instantiate/compile + .wasm file references + <link rel=preload as=fe...
Paid security-header mutation test (cycle 143, x402 $0.001) - fetches target URL 5x with deliberately different fingerprint headers (Chrome desktop + Firefox + Mobile Safari + python-requests bot + baseline); compares th...
Paid web-cache-poisoning + deception active probe (cycle 145, x402 $0.001) - 5 unkeyed-header probes (X-Forwarded-Host + X-Original-URL + X-Forwarded-Prefix + X-Host + X-Forwarded-Server + X-Forwarded-For + X-Forwarded-P...
Paid OWASP API Security Top 10 (2023) one-call composite audit (cycle 151, x402 $0.001) - fetches target URL + probes 24 conventional API paths in parallel via ThreadPoolExecutor, runs all 10 OWASP 2023 category checks:...
Paid OAuth 2.0 / OIDC authorization endpoint hardening audit (cycle 159, x402 $0.001) - actively probes an issuer's OAuth/OIDC authorization endpoint against the 10 canonical misconfiguration classes defined by RFC 9700...
Paid OpenAPI/Swagger security-smell linter per OWASP API Top 10 (2023) (cycle 160 restored 2026-10-17, x402 $0.001) - accepts GET ?url=<TARGET> (walks 6 candidate paths /openapi.json+/openapi.yaml+/swagger.json+/swagger/...
CVE vulnerability lookup by id - full CVE record with description, CVSS base score and severity, CWE weakness, affected products and versions, references, published and modified dates, and the fix. Security vulnerability...
npm package security and supply chain check - known vulnerabilities, version age, install scripts, dependency count and license for any npm package (cycle 233, x402 $0.01) - GET ?package=<NAME> OR ?name=<NAME> OR ?packag...