An issue was discovered in certain Apple products. iOS before 10.3.3 is affected. Safari before 10.1.2 is affected. The issue involves the "WebKit" component. It allows remote attackers to spoof the address bar via a crafted web site that uses FRAME elements.
https://support.apple.com/HT207923
https://support.apple.com/HT207921
https://security.gentoo.org/glsa/201710-14