TOOL TUTORIAL · Web Application Security Testing

How to install and use XSSer

XSSer is an open-source penetration testing tool designed for discovering and exploiting Cross-Site Scripting (XSS) vulnerabilities in web applications. It automates the process of finding XSS flaws by injecting various payloads and analyzing the responses to identify potential …

Quick install: git clone https://github.com/epsylon/xsser.git

Installation steps

1. Open a terminal on Kali Linux
2. Run git clone https://github.com/epsylon/xsser.git
3. Change into the folder with cd xsser
4. Install the Python requirements listed in the README
5. Run python3 xsser --help to check it works

See the full XSSer reference →