Description
If an object prototype was corrupted by an attacker, they would have been able to set undesired attributes on a JavaScript object, leading to privileged code execution. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.
References (4)
Scores
CVSS v3
8.8
EPSS
0.0620
EPSS Percentile
90.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-1321
Status
published
Products (3)
mozilla/firefox
< 102.0
mozilla/firefox_esr
< 91.11
mozilla/thunderbird
< 91.11
Published
Dec 22, 2022
Tracked Since
Feb 18, 2026