CVE-2018-12397

Published Feb 28, 2019

Last updated 6 years ago

Overview

Description
A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.
Source
security@mozilla.org
NVD status
Analyzed

Risk scores

CVSS 3.0

Type
Primary
Base score
7.1
Impact score
5.2
Exploitability score
1.8
Vector string
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
3.6
Impact score
4.9
Exploitability score
3.9
Vector string
AV:L/AC:L/Au:N/C:P/I:P/A:N

Weaknesses

nvd@nist.gov
CWE-200

Social media

Hype score
Not currently trending

Configurations