Reflected XSS in a JavaScript URL with some characters blocked - Explaining the Payload

This is a fairly tricky XSS lab with the title 'Reflected XSS in a JavaScript URL with some characters blocked'. We break down the payload into sections and explore the underlying JavaScript to get a full understanding of how the payload works. Support This Channel ====================== Please like and subscribe, it means a lot! Join our Discord   / discord   00:00 Introduction 00:31 Analysing the decoded payload 03:13 Javascript Throw 05:55 Onerror = alert 07:50 The arrow function 09:50 toString = x 12:36 The injection 15:03 Superfluous function arguments 20:17 Exiting the injection 21:03 Solving the lab 21:42 Post analysis