The Opera Mini application through 16.0.14 for iOS has a UXSS vulnerability that can be triggered by performing navigation to a javascript: URL.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-5045
https://blog.rakeshmane.com/2019/07/u-xss-in-operamini-for-ios-browser-0-day.html