CVE-2023-5727 (published 2023-10-24T12:47:13.501Z)
The executable file warning was not presented when downloading .msix, .msixbundle, .appx, and .appxbundle files, which can run commands on a user's computer.  
*Note: This issue only affected Windows 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