Challenges do NOT require any bruteforcing/directory fuzzing/massive amounts of traffic unless clearly specified in the challenge information below.
This one will require a bit of thinking. It's designed to be a complete blackbox so you have no idea what it's looking for but using information on the page and basic understanding of HTTP requests you should be able to work it out.<br><br> The aim of this challenge is to execute XSS via [something] (revealed in hints)
Finished the challenge? Submit your answer