Nov 17, 2025 · Stop a path traversal attack before it starts. Learn how insecure uploads create a file upload vulnerability and how to secure your handlers.

To solve the lab, upload a basic PHP web shell and use it to exfiltrate the contents of the file /home/carlos/secret. Submit this secret using the button provided in the lab banner.

Jul 18, 2025 · PortSwigger Lab: Web shell upload via path traversal writeup (File Upload Vulnerabilities) This lab contains a vulnerable image upload function. The server is configured …

Jan 9, 2025 · Let’s explore how various file upload mechanisms can be bypassed to maintain valid JSON payloads for CSPT while satisfying file format requirements, such as PDFs or …

Jan 11, 2018 · To do a directory traversal, you need to include a directory separator in the file name, and that's the one character (that and the null byte) which is forbidden in Linux file …

The Burp extension verifies if file uploads are vulnerable to directory traversal vulnerabilities. It further checks if files can be uploaded into an accessible directory of the application. All tests …

Jul 10, 2025 · File path traversal is also known as Directory Traversal. It allows an attacker to access files and directories that are outside the intended scope of the web application by …

Aug 3, 2025 · During a routine test of a GraphQL file upload API, I discovered a path traversal vulnerability that allowed attackers to escape intended directories and store files in arbitrary …

When the web server returns information about errors in a web application, it is much easier for the attacker to guess the correct locations (e.g. path to the file with a source code, which then …

Apr 26, 2025 · In this lab, I’ll demonstrate how to exploit a file upload mechanism via path traversal vulnerability to achieve remote code execution.