This post is going to outline how I simply applied my methodology and managed to find multiple vulnerabilities leaking airline passenger information on a YesWeHack bug bounty program. My experience on YesWeHack has been extremely good as the companies engage & communicate with you on reports to understand the issue

This is only going to be a short post explaining the details of a vulnerability I found which I believe many researchers overlooked when testing the login flow of one program. This bug may affect other sites using an OpenID login flow, I would recommend testing :) (It is best if

BugBountyHunter.com opened early November 2020 and the amount of growth we have seen in members has been phenomenal! Members have been using BARKER to build confidence with testing web applications and leaving no stone unturned, with the end goal to apply this mindset on bug bounty programs.. 0xblackbird, YouGina,

When a researcher spends a lot of time on one bugbounty program the bug impact tends to increase as they gain knowledge around the web assets and how things work & are connected together. (atleast in my experience, if you have spent a lot of time on one program i’

(posted October 29th 2018) I recently gave a talk at @_DC151 about some interesting bug and bypasses i’ve found in my time doing bug bounties. In my talk I described an interesting technique for bypassing CSRF protections some sites have with clickjacking. I made a challenge for it over

This is a quick write-up about an interesting bug I found on a bounty program which lead to unauthorised access to any account you knew the email of (no password needed!). I believe some other researchers may of overlooked the functionality of the site and some of the requests that

Something so simple can have unexpected results. It was a late evening and I was fed up of looking at Burp so I decided to just try some things manually on random programs. The result? I ended up with a P1 :)

Here is a fun story about how I found IDOR to leak any users’ details, and then broke their patch. The mobile app was leaking any users unique hash, which was required to view & modify your personal data, along with their userid (just an integer). Let’s begin!

(Posted Feb 25 2017) Welcome all! Firstly, let me introduce myself. I’m known as @zseano and i’m known for being mostly active on BugCrowd. One thing most people don’t know is that all of my bug bounty time is dedicated to one company. That’s right, 99.