Security Advisory

CVE-2023-4053

6.5
MEDIUM

Vulnerability Description

A website could have obscured the full screen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 116, Firefox ESR < 115.2, and Thunderbird < 115.2.
Published Date August 1, 2023
Official Source NIST NVD Advisory