DOM Clobbering, Prototype Pollution and XSS Walkthrough - Amateurs CTF 2023

Learn how to solve the "sanity" web challenge from Amateurs CTF 2023 in this detailed video walkthrough that demonstrates advanced web security concepts including DOM clobbering, prototype pollution, and XSS attacks. Follow along with a step-by-step breakdown of the challenge's functionality, comprehensive code review, and vulnerability chain analysis. Master practical exploitation techniques as you explore DOM clobbering implementation, execute prototype pollution attacks, and craft XSS payloads to steal cookies. Gain valuable insights into web security testing through hands-on demonstrations, complete with detailed explanations suitable for beginners in penetration testing and CTF competitions.