Joomla core 4.0.0-4.4.5,5.0.0-5.1.1 - Authenticated Self-XSS in fancyselect list field layout vulnerability

Authenticated Self-XSS in fancyselect list field layout vulnerability discovered by ? in WordPress Core Joomla versions 4.0.0-4.4.5,5.0.0-5.1.1...