Lab: File path traversal, validation of start of path | CyberWorldSec

What is directory traversal?

Directory traversal (also known as file path traversal) is a web security vulnerability that allows an attacker to read arbitrary files on the server that is running an application.

portswigger web security file path traversal lab validate start of path

If an application requires that the user-supplied filename must start with the expected base folder, such as /var/www/images, then it might be possible to include the required base folder followed by suitable traversal sequences.
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In this video, CyberWorldSec shows you how to check for directory traversal

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Disclaimer :

These materials are for educational and research purposes only.

These videos teach you cyber secuirty and all the practicals are conducted on a safe to test learning labs provided by PortSwigger's Web Security Academy.

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