CVE-2022-22754
Mozilla: Extensions could have bypassed permission confirmation during update
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 8, 2022
Updated · November 21, 2025
Description
A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes this flaw as: If a user installed a particular type of extension, the extension could have auto-updated itself, and while doing so may have bypassed the prompt which grants the new version the new requested permissions.
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 · 7.5CVSS:3.1/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