CVE-2022-1802

If an attacker was able to corrupt the methods of an Array object in JavaScript via prototype pollution, they could have achieved execution of…

High · published December 22, 2022

CVSS v3.1
8.8
EPSS
27%
Percentile
98.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.26709 · 98.0th percentile
Published
2022-12-22T00:00Z
EPSS history
Timeline
  • 22 DEC 00:00Z
    If an attacker was able to corrupt the methods of an Array object in JavaScript via prototype pollution, they could have achieved execution of…
    cvelistv5