Intro to Cross-site Scripting | TryHackMe Write-up

Walkthrough for Intro to Cross-site Scripting TryHackme room. Learn how to detect & exploit XSS vulnerabilities, giving you control of other visitor's browsers

This is my write-up for the TryHackMe room on Intro to Cross-site Scripting. Written in 2026, I hope this write-up helps others learn and practice cybersecurity.

Task 1: Room Brief

This room introduces Cross-Site Scripting (XSS), a common injection attack where malicious JavaScript is injected into a web application to be executed by other users. You will…