CVE-2022-1529
HIGH EXPLOITED IN THE WILDMozilla Firefox < 100.0.2 - Prototype Pollution
Title source: ruleDescription
An attacker could have sent a message to the parent process where the contents were used to double-index into a JavaScript object, leading to prototype pollution and ultimately attacker-controlled JavaScript executing in the privileged parent process. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.
Scores
CVSS v3
8.8
EPSS
0.0430
EPSS Percentile
88.9%
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
VulnCheck KEV
2022-08-15
InTheWild.io
2022-08-15
CWE
CWE-1321
Status
published
Products (3)
mozilla/firefox
< 100.0.2
mozilla/firefox_esr
< 91.9.1
mozilla/thunderbird
< 91.9.1
Published
Dec 22, 2022
Tracked Since
Feb 18, 2026