2 Videos for postMessage() III

In this video, we cover the exercise postMessage III on postMessage in JavaScript and Event Listener. Learn how to securely enable communication between windows without going through the server and understand the risks of cross-site scripting (XSS) when security checks are bypassed.

In this video, we dive into the exploitation of the postMessage vulnerability in a web application. We explore how to manipulate the postMessage functionality to execute cross-site scripting (XSS) attacks and ultimately steal user cookies.