CVE-2022-22754

MEDIUM

Firefox < 97.0 and Firefox ESR < 91.6 - Incorrect Authorization via Extension Auto-Update

Title source: llm
STIX 2.1

Description

If a user installed an extension of a particular type, the extension could have auto-updated itself and while doing so, bypass the prompt which grants the new version the new requested permissions. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.

References (4)

Core 4

Scores

CVSS v3 6.5
EPSS 0.0003
EPSS Percentile 9.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (3)
mozilla/firefox < 97.0
mozilla/firefox_esr < 91.6
mozilla/thunderbird < 91.6
Published Dec 22, 2022
Tracked Since Feb 18, 2026