holy SHIT
"Google Says Malicious Websites Have Been Quietly Hacking iPhones for Years"
(this involved 0days)
https://www.vice.com/en_us/article/bjwne5/malicious-websites-hacked-iphones-for-years
(original blogpost: https://googleprojectzero.blogspot.com/2019/08/a-very-deep-dive-into-ios-exploit.html)