CVE-2022-22758

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-319

Affected software

Vendor	Product	Versions
Mozilla	Firefox	>= unspecified, < 97

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1728742Issue Tracking, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-04/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1728742Issue Tracking, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-04/Vendor Advisory

Timeline

Published: Dec 22, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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