DOM XSS –  So, after reading a lot of write ups about bug bounty its finally time to write one of my own. I hope that you will be able to take something from this into your bug bounty journey. I don’t do much bug bounty, but I love to read write ups about bugs that have been found by other bug bounty hunters as I think it’s one of the best ways to learn new techniques. This write up will be about a DOM XSS I found in domain. It all started with this link: Probably most of uber users are familiar with this one, but if you don’t here is the deal: First behavior: When an unauthenticated user tries to visit an uber domain such as, and more, those domains will redirect him to the login screen at and will include a parameter named next_url which is respo