CVE-2022-34474 Information

Description

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.

Reference

https://www.mozilla.org/security/advisories/mfsa2022-24/ https://bugzilla.mozilla.org/show_bug.cgi?id=1677138