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Capturing and modifying javascript in the server response before page is displayed

Vincent | Last updated: Nov 09, 2017 05:04PM UTC

Hi, I'm trying to modify the Javascript code in the server response before it reaches my browser, but the problem I'm having is that the page loads in the browser while the Javascript is displayed on the Intercept tab. When modifying the Javascript and forwarding it, the browser still displays the page with the unmodified code. Why is that?

PortSwigger Agent | Last updated: Nov 09, 2017 05:06PM UTC