1. Web Security Academy
  2. WebSockets
  3. Lab

Lab: Manipulating WebSocket messages to exploit vulnerabilities

APPRENTICE

This online shop has a live chat feature implemented using WebSockets.

Chat messages that you submit are viewed by a support agent in real time.

To solve the lab, use a WebSocket message to trigger an alert() popup in the support agent's browser.

Find websocket vulnerabilities using Burp Suite

The benefits of working through PortSwigger's Web Security Academy

Get started with the Web Security Academy where you can practise exploiting vulnerabilities on realistic targets .. and its free!

Already got an account? Login here