postMessage()

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This exercise covers how insecure calls to the JavaScript function postMessage() can be used to leak sensitive information

PRO Medium < 1 Hr. 1260 Orange Badge
Course

This course teaches you how to exploit vulnerabilities in applications using the <code>postMessage</code> method without setting a destination. By understanding and leveraging this issue, you will learn how to get an administrator to leak confidential information to your server.

Skills covered
Injection Authentication Authorisation Client Side
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Full course content 2 videos Common mistakes

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