1. You need to go to Create new page.
2. Add this <script>alert(100)</script> in both the title and
description section, since these are the input entry points,xss should be done in those points. And the number 100 may be any number.
3. Click <--go-Home.
Flag 1 another approach.
You need to do XSS.
Walla!! you get the flag in the pop up
Thank you so much! I was stuck on the explanation given for Flag1 :)