Hunt file upload RCE and XSS
hunt-file-uploadskillsetup L1★1,791
elementalsouls/Claude-BugHunter ↗What it does
Find file-upload RCE, XXE, path traversal across 10 bypass techniques
Best for
Security auditors hunting RCE on PHP/JSP/ASPX stacks with publicly-exploitable file-processing chains.
Inputs
- · target /upload, /avatar, /import endpoint URL
- · polyglot payload files (PHP+GIF, SVG+JS, DOCX+XXE)
Outputs
- · RCE proof (command output)
- · XSS reflected in profile-photo URL
- · SSRF OOB callback
- · path traversal file read
Requires
- · Burp Suite
- · ImageMagick / FFmpeg (to craft payloads)
- · Collaborator server (OOB verify)
Preconditions
- · target runs file-processing (image upload, PDF gen, archive extract)
- · upload endpoint reachable
Failure modes
- · uploads blocked by front-end WAF
- · magic-byte validation enforced
- · no direct file serving of upload dir
Trust signals
- · Cites 10 documented bypass techniques with real paid bounty examples
- · Includes magic-byte reference table and ImageMagick/FFmpeg SSRF payloads
- · Covers polyglot files (valid as both JPEG and PHP)