CVE-2023-5726 (published 2023-10-24T12:47:12.536Z)
A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks. 
*Note: This issue only affected macOS operating systems. Other operating systems are unaffected.* This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.
Affected products: Vendor: Mozilla
Product: Firefox
Versions: unspecified