WordPress 5.7.2 Classic Editor Potential XSS Vulnerability

I was doing a write up of XposedAPI from offsec proving ground, where I pasted some source code gathered during the process. And the code contains javascript code. The code kinda like this (I have to manually replace < with &gt otherwise it executes…). &ltscript> function restart(){ if(confirm(“Do you really want to restart the app?”)){…