NetSight
high7.1

CVE-2018-12397

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…

Impact

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.

Affected products

VendorProductAffected versions
MozillaFirefox
before 60.3.0
before 63.0
RedhatEnterprise Linux Desktop
Versions 6.0, 7.0
RedhatEnterprise Linux Server
Versions 6.0, 7.0
RedhatEnterprise Linux Server Eus
Version 7.5
RedhatEnterprise Linux Workstation
Versions 6.0, 7.0
DebianDebian Linux
Versions 8.0, 9.0
CanonicalUbuntu Linux
Versions 14.04, 16.04, 18.04, 18.10

Weakness classification

References