Simple Directory Traversal

📁 Can you escape the directory and access restricted files?

Défi Mis à jour le 14 janv. 2026 Exclusif Pro Solution (Pro)

This simple file viewer uses direct string concatenation to build file paths, creating the perfect opportunity for directory traversal attacks. 📁 Directory traversal is a fundamental web vulnerability that allows attackers to access files outside the intended directory, potentially exposing sensitive system files and configuration data. The application trusts user input without validation - a classic mistake that opens the door to file system exploitation! 🎯