CVE-2022-28286

Mozilla: iframe contents could be rendered outside the border

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Severity

Low

Red Hat Product Security

4.3

CVSS 3.1

Review impact separately from score.

Published · April 5, 2022

Updated · November 21, 2025

Description

The Mozilla Foundation Security Advisory describes this flaw as: Due to a layout change, iframe contents could have been rendered outside of its border. This could have led to 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 3.1 · 4.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CWE-1021 · Improper Restriction of Rendered UI Layers or Frames