Hey guys, this writeup is about my first Reflected XSS and how I escalated it to account takeover.

I read many Bug Hunters implying on the fact that don’t submit a simple XSS, try to escalate it. I also would tell you to escalate as much as you can, if you give them a XSS and tell what a person can do with it, it does not shows the amount of impact as you would be able to show when you prove with how it would be done; this will increase the severity as well as your payout.

So, I was hunting on a subdomain of a private program say sub.example.com, I had been looking over this subdomain for few days and had understood almost every thing about how the things are working and what a simple person(normal account) can do.Now, I started looking for other files (which are directly not linked)in various directories of the site by directory and files fuzzing using FFUF. I found a file that looked interesting as it was a page to register (let’s name it sub.example.com/fakepath/register) and the main page that opened when someone clicked for registration was sub.example.com/fakepath/registration. …

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store