: Another unique identifier or "canary" string used for tracking the payload's reflection. Purpose and Context
: This is a placeholder (often replaced by a unique string like alert(1) or XSS ) used by security researchers to easily find where their input is reflected in the page's source code. {KEYWORD}'NYWpxO<'">tYeTVq
: Attempts to break out of a JavaScript string or an HTML attribute that uses single quotes. : Another unique identifier or "canary" string used
: If a researcher sees the < and > characters rendered literally in the HTML source rather than being encoded as < and > , it indicates a potential XSS vulnerability. {KEYWORD}'NYWpxO<'">tYeTVq
: Tests for the filtering of both single and double quotes. > : Tests if the application allows closing HTML tags.