CVE-2023-5726

Mozilla: Full screen notification obscured by file open dialog on macOS

Loading…

Severity

Moderate

Red Hat Product Security

6.1

CVSS 3.1

Review impact separately from score.

Published · October 24, 2023

Updated · November 22, 2025

Description

The Mozilla Foundation Security Advisory describes this flaw as:

A website could have obscured the full screen notification by using the file open dialog. This could have led to user confusion and possible spoofing attacks.

Note: This issue only affected macOS operating systems. Other operating systems are unaffected.

Statement

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE-356 · Product UI does not Warn User of Unsafe Actions