cve/2023/CVE-2023-28163.md

### [CVE-2023-28163](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28163)
![](https://img.shields.io/static/v1?label=Product&message=Firefox%20ESR&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Firefox&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Thunderbird&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%20102.9%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%20111%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Windows%20Save%20As%20dialog%20resolved%20environment%20variables&color=brighgreen)

### Description

When downloading files through the Save As dialog on Windows with suggested filenames containing environment variable names, Windows would have resolved those in the context of the current user. <br>*This bug only affects Firefox on Windows. Other versions of Firefox are unaffected.*. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.

### POC

#### Reference
- https://bugzilla.mozilla.org/show_bug.cgi?id=1817768

#### Github
No PoCs found on GitHub currently.