-page-....-2f-2f....-2f-2f....-2f-2fetc-2fpasswd Patched

In a vulnerable web application, an attacker might use sequences like (often URL-encoded as

Before using user input, convert the path to its form—the absolute, shortest path that resolves all .. sequences. Example in PHP: -page-....-2F-2F....-2F-2F....-2F-2Fetc-2Fpasswd

By understanding how path traversal works – and how attackers encode and disguise their payloads – you can build robust defenses that stop even the most creative attempts to break out of the web root. In a vulnerable web application, an attacker might

: Exposure of sensitive system files, configuration files containing database credentials, and source code. In a vulnerable web application

https://example.com/getImage?filename=photo.jpg