Scope https://challenge-1025.intigriti.io/challenge.php
Goal Get a RCE
First look The first thing we can notice once we enter the challenge.php endpoint (which is our main scope), is that we have an input box where we can enter an image URL, next to that, a button, which seems to take the image from that url and preview it as it mentions just above: Just enter a product image URL below and preview the results instantly.