First published: Tue Oct 24 2023(Updated: )
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.
Credit: security@mozilla.org
Affected Software | Affected Version | How to fix |
---|---|---|
Mozilla Firefox ESR | <115.4 | 115.4 |
Mozilla Thunderbird | <115.4.1 | 115.4.1 |
Mozilla Firefox | <119 | 119 |
Mozilla Firefox | <119.0 | |
Mozilla Firefox ESR | <115.4 | |
Mozilla Thunderbird | <115.4.1 | |
Microsoft Windows |
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(Found alongside the following vulnerabilities)
CVE-2023-5727 is a vulnerability that allows the execution of commands on a user's computer without the warning prompt when downloading .msix, .msixbundle, .appx, and .appxbundle files in Firefox ESR versions 115.4 and earlier, as well as Firefox versions 119 and earlier.
CVE-2023-5727 affects Windows operating systems by not presenting the executable file warning when downloading certain file types, potentially allowing malicious commands to run on a user's computer.
Firefox ESR versions 115.4 and earlier, as well as Firefox versions 119 and earlier, are affected by CVE-2023-5727.
CVE-2023-5727 has a severity rating of medium with a CVSS score of 4.0.
To fix CVE-2023-5727, update your Firefox browser to the latest version available, which has addressed the vulnerability.