CVE-2023-4053 Information

Description

A website could have obscured the full screen notification by using a URL with a scheme handled by an external program such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116.

Reference

https://bugzilla.mozilla.org/show_bug.cgi?id=1839079 https://www.mozilla.org/security/advisories/mfsa2023-29/