🛡️ CVE-2022-1802
🟠 CVSS 8.8 — High ✅ No Known Exploit CWE-1321 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity HIGH
CVSS Score 8.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE CWE-1321
Public Exploit ✅ No
Source NVD
Published 2022-12-22
Updated 2026-06-08
Modified 2025-04-16
Fix URL N/A

Affected Packages

Software From version Fixed in
firefox 100.3.0
firefox-esr 91.9.1
thunderbird 91.9.1

References

Issue Tracking, Permissions Required, Vendor Advisory https://bugzilla.mozilla.org/show_bug.cgi?id=1770137
Issue Tracking, Permissions Required, Vendor Advisory https://bugzilla.mozilla.org/show_bug.cgi?id=1770137
Issue Tracking, Permissions Required, Vendor Advisory https://bugzilla.mozilla.org/show_bug.cgi?id=1770137

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