I felt like there were no more bugs left after winning € 2000 … But an email worth €750 changed my mind

Introduction

Hello amazing hacker, i hope you are doing well! Today i am going to tell you the story of how i completely exhausted my target … and then some. Not only did i already receive € 2000 from this target in various medium vulnerabilities that i reported, i managed to grab even more after i had already fully tested the program. Here’s how i did it.