00 — Overview
File Upload Vulnerabilities
File upload features are one of the most dangerous attack surfaces. Learn how attackers bypass extension checks and upload webshells to execute code on servers.
Intermediate·45 min·8 tasks
// By the end of this module
→Identify insecure file upload endpoints that accept dangerous file types
→Bypass extension and MIME-type filters to upload web shells
→Trigger uploaded script execution via the web server
→Combine file upload with path traversal to control upload destination
// Prerequisites