Access Restriction Bypass Affecting mozilla package, versions [,60.3)(60.3,63.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.23% (62nd percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2379387
  • published26 Jan 2022
  • disclosed28 Feb 2019
  • creditUnknown

Introduced: 28 Feb 2019

CVE-2018-12396  (opens in a new tab)
CWE-264  (opens in a new tab)

How to fix?

Upgrade mozilla to version 60.3, 63.0 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass. A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.

CVSS Scores

version 3.1