Inspect file upload endpoints for dangerous extensions, MIME confusion, and stored executable payloads.
Tests multi-part uploads with double extensions (.jpg.php), HTML/SVG script injection, directory traversal filename parameters, and zero-byte bypasses.
Canonical test payload dispatched during security surface audits.
Content-Disposition: name="file"; filename="avatar.php%00.png"Watch the probe engine test this signature in an isolated sandbox.
Randomized Name & S3 Storage
fs.writeFileSync(`./uploads/${file.originalname}`, file.buffer);const key = `${crypto.randomUUID()}.${ext}`;
await s3.upload({ Bucket: 'uploads', Key: key, Body: file.buffer });Never store user uploads on local execution paths using the client-provided filename. Store in isolated object storage.
Copy and paste into your editor to refactor this issue automatically.
Test your public domain specifically for File Upload & Arbitrary Execution Scanner.
Checks commonly evaluated alongside File Upload & Arbitrary Execution Scanner during surface discovery.
Detect SQL injection vulnerabilities in your web application before attackers exploit database access.
Find XSS vulnerabilities that could let attackers inject malicious scripts and steal customer sessions.
Detect exposed API keys, private tokens, and cloud secrets in client-side bundles and public responses.
Audit your site across all 41 vectors automatically on every deploy.