cve/2022/CVE-2022-22758.md

### [CVE-2022-22758](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22758)
![](https://img.shields.io/static/v1?label=Product&message=Firefox&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2097%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=tel%3A%20links%20could%20have%20sent%20USSD%20codes%20to%20the%20dialer%20on%20Firefox%20for%20Android&color=brighgreen)

### Description

When clicking on a tel: link, USSD codes, specified after a <code>\*</code> character, would be included in the phone number. On certain phones, or on certain carriers, if the number was dialed this could perform actions on a user's account, similar to a cross-site request forgery attack.<br>*This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 97.

### POC

#### Reference
- https://bugzilla.mozilla.org/show_bug.cgi?id=1728742
- https://www.mozilla.org/security/advisories/mfsa2022-04/

#### Github
- https://github.com/KirtiRamchandani/KirtiRamchandani