CVE-2018-12369

CRITICAL

Firefox < 61 and Firefox ESR < 60.1 - Incorrect Authorization for WebExtensions with Embedded Experiments

Title source: llm
STIX 2.1

Description

WebExtensions bundled with embedded experiments were not correctly checked for proper authorization. This allowed a malicious WebExtension to gain full browser permissions. This vulnerability affects Firefox ESR < 60.1 and Firefox < 61.

References (7)

Core 7
Core References
Issue Tracking, Permissions Required, Vendor Advisory x_refsource_confirm
https://bugzilla.mozilla.org/show_bug.cgi?id=1454909
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201810-01
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2018-15/
Vendor Advisory x_refsource_confirm
https://www.mozilla.org/security/advisories/mfsa2018-16/
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1041193
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3705-1/
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/104561

Scores

CVSS v3 9.8
EPSS 0.0053
EPSS Percentile 67.4%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-863
Status published
Products (5)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 17.10
canonical/ubuntu_linux 18.04
mozilla/firefox < 60.1.0
Published Oct 18, 2018
Tracked Since Feb 18, 2026