This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in Safari 13.0.1, iOS 13. Maliciously crafted web content may violate iframe sandboxing policy.
[
{
"product": "Safari",
"vendor": "Apple",
"versions": [
{
"lessThan": "13.0",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
},
{
"product": "iOS",
"vendor": "Apple",
"versions": [
{
"lessThan": "13",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]