CVE-2022-29914
Mozilla: Fullscreen notification bypass using popups
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Severity
ImportantRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · May 3, 2022
Updated · November 21, 2025
Description
A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of when reusing existing popups; Firefox allowed them to cover the fullscreen notification UI, which possibly enabled browser 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