VULNERABILITY INTELLIGENCE

CVE-2016-9075

CVSS score9.8 CRITICAL

EPSS probability2.13%

CISA KEVNot currently listed

Published2018-06-11

Last modified2026-06-17

Description

An issue where WebExtensions can use the mozAddonManager API to elevate privilege due to privileged pages being allowed in the permissions list. This allows a malicious extension to then install additional extensions without explicit user permission. This vulnerability affects Firefox < 50.