CVE-2022-45404
Mozilla: Fullscreen notification bypass
Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · November 15, 2022
Updated · November 21, 2025
Description
The Mozilla Foundation Security Advisory describes this flaw as: Through a series of popup and window.print() calls, an attacker can cause a window to go fullscreen without the user seeing the notification prompt, resulting in potential user confusion or spoofing attacks.
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 3.0 · 7.5CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-1021 · Improper Restriction of Rendered UI Layers or Frames