A logic issue was addressed with improved state management. This issue is fixed in Safari 16, iOS 16, iOS 15.7 and iPadOS 15.7. A website may be able to track users through Safari web extensions.
https://support.apple.com/en-us/HT213446
https://support.apple.com/en-us/HT213445
https://support.apple.com/en-us/HT213442
http://seclists.org/fulldisclosure/2022/Oct/50