XSS-Fun
Little XmaSS Challenge provided by Compass Security. Why not take the Chance and learn some XSS Stuff ;)
https://xmass.compass-demo.com/
Level1: https://xmass.compass-demo.com/level1
<script>alert("alert(1)")</script> sha256: 3fe9f4ba6acdcae794b6dd201f8a159b223438d736ffc46c9b07a260e0b5e915