# Tabnabbing ## Introduction When you open a link in a new tab ( target="\_blank" ), the page that opens in a new tab can access the initial tab and change it's location using the window\.opener property. ## How to find ```html ``` ## How to Exploit 1. Attacker posts a link to a website under his control that contains the following JS code: ```html ``` 2. He tricks the victim into visiting the link, which is opened in the browser in a new tab. 3. At the same time the JS code is executed and the background tab is redirected to the website evil.com, which is most likely a phishing website. ## References * [Hackerone #260278](https://hackerone.com/reports/260278)