Intigriti 0821 XSS Challenge — Writeup

This post was originally published on Medium . Read it there for the full version.

My solution to Intigriti’s August 2021 XSS challenge — the recon, the sink I found, and the payload that fired.

This post was migrated from Medium. The full, original version (with all screenshots) is available at the canonical link above.

These monthly challenges are excellent practice for spotting client-side bugs in realistic markup. Read the full writeup on Medium for the complete payload breakdown.