creator Intigriti's September XSS challenge
By @BugEmir and Pepijn van der Stap

Find a way to execute arbitrary javascript on this page and win Intigriti swag.

Rules:
  • This challenge runs from 6 September until 12 September, 11:59 PM CET.
  • Out of all correct submissions, we will draw six winners on Monday, 13th:
    • Three randomly drawn correct submissions
    • Three best write-ups
  • Every winner gets a €50 swag voucher for our swag shop
  • The winners will be announced on our Twitter profile.
  • For every 100 likes, we'll add a tip to announcement tweet.
  • Join our Discord to discuss the challenge!
The solution...
  • Should work on the latest version of Chrome and FireFox.
  • Should execute alert(document.domain).
  • Should leverage a cross site scripting vulnerability on this domain.
  • Shouldn't be self-XSS or related to MiTM attacks.
  • Should be reported at go.intigriti.com/submit-solution.
Test your payloads down below!

Let's pop that alert!