CVE-2022-1529

UNKNOWN

Published 2022-12-22T00:00:00.000Z

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CVSS Score

V3.1

8.8

/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Base Score Metrics

Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01

0.017

probability

of exploitation in the wild

There is a 1.7% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25

Exploit Probability

Percentile: 0.876

Higher than 87.6% of all CVEs

Attack Vector Metrics

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Impact Metrics

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Description

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.