Web Hacking Expert - Full-Stack Exploitation Mastery - User Redirection through window.opener Tabnabbing – Part 2

The video tutorial explains how to prevent a specific web attack using the 'rel=noopener' attribute in HTML links. It demonstrates the attack mechanism, where an attacker can overwrite the opener location, and provides a simple countermeasure to prevent this. The tutorial includes a code walkthrough and a summary of the attack and its prevention.

Describe the crucial line of code that is responsible for the attack.

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Summarize the steps to prevent the attack from happening.

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