Security Advisory

CVE-2023-4053

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2023-08-01 14:59:54

Last updated 2025-12-18 15:23:22

Assigner mozilla

State PUBLISHED

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.

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