Let's start from URL

Form

gate.io

Referer

gate io

Local storage

Login page

Logged in page

Stored XSS

Base64 encoding

Removes alert

Removes script

Removes img, alert, prompt and script

Converts < and > to HTML entities

RegEx filter #1

RegEx filter #2

RegEx filter #3

Converts all HTML reserved characters to HTML entities + URL decode

Converts special characters to HTML entities

Converts special characters to HTML entities on an HTML input value

Converts special characters to HTML entities on an HTML input value + capitalizes all characters