CVE-2018-12397

7.1 HIGH
Published: February 28, 2019 Modified: November 25, 2025
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/105718
Source: security@mozilla.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041944
Source: security@mozilla.org
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3005
Source: security@mozilla.org
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3006
Source: security@mozilla.org
Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1487478
Source: security@mozilla.org
Issue Tracking Permissions Required Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html
Source: security@mozilla.org
Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201811-04
Source: security@mozilla.org
Third Party Advisory
https://usn.ubuntu.com/3801-1/
Source: security@mozilla.org
Third Party Advisory
https://www.debian.org/security/2018/dsa-4324
Source: security@mozilla.org
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-26/
Source: security@mozilla.org
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-27/
Source: security@mozilla.org
Vendor Advisory
http://www.securityfocus.com/bid/105718
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041944
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3005
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3006
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1487478
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Permissions Required Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201811-04
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://usn.ubuntu.com/3801-1/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.debian.org/security/2018/dsa-4324
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-26/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-27/
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

22 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.1 / 10.0
EPSS (Exploit Probability)
0.1%
21th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-200

Affected Vendors

mozilla debian redhat canonical

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