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In this video, we walk through a DOM XSS (Document Object Model Cross-Site Scripting) challenge from OWASP Juice Shop, one of the best intentionally vulnerable web applications for learning web security.
This tutorial is beginner-friendly and explains what DOM XSS is, how it works, and how to identify unsafe client-side JavaScript behavior that leads to script execution in the browser. We use a simple payload to demonstrate how user input can be reflected directly into the DOM without proper sanitization.
This walkthrough focuses on understanding the vulnerability, not just solving the challenge.
⚠️ Disclaimer: For educational purposes only. Practice responsibly in legal labs like OWASP Juice Shop.