Even when an iframe was sandboxed with allow-top-navigation-by-user-activation, if it received a redirect header to an external protocol the browser would process the redirect and prompt the user as appropriate. This vulnerability affects Firefox < 102.
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "firefox",
"binary_version": "102.0+build2-0ubuntu0.18.04.1"
},
{
"binary_name": "firefox-geckodriver",
"binary_version": "102.0+build2-0ubuntu0.18.04.1"
},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "102.0+build2-0ubuntu0.18.04.1"
}
]
}
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "firefox",
"binary_version": "102.0+build2-0ubuntu0.20.04.1"
},
{
"binary_name": "firefox-geckodriver",
"binary_version": "102.0+build2-0ubuntu0.20.04.1"
},
{
"binary_name": "firefox-mozsymbols",
"binary_version": "102.0+build2-0ubuntu0.20.04.1"
}
]
}