creator Intigriti's August XSS challenge
By huli

Find a way to execute alert(document.domain) on the challenge page and win Intigriti swag.

  • This challenge runs from the 21st of August until the 28th of August, 11:59 PM CET.
  • Out of all correct submissions, we will draw six winners on Tuesday, the 29th of August:
    • 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 NOT use another challenge on the domain.
  • Should be reported at
  • Should require no user interaction.
Test your payloads down below and on the challenge page here!

Let's pop that alert!