CVE-2022-1802

HIGH EXPLOITED IN THE WILD

Mozilla Firefox < 100.0.2 - Prototype Pollution

Title source: rule

Description

If an attacker was able to corrupt the methods of an Array object in JavaScript via prototype pollution, they could have achieved execution of attacker-controlled JavaScript code in a privileged context. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.

Exploits (1)

nomisec WORKING POC 152 stars
by mistymntncop · client-side
https://github.com/mistymntncop/CVE-2022-1802

Scores

CVSS v3 8.8
EPSS 0.6793
EPSS Percentile 98.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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