Access Restriction Bypass Affecting mozilla package, versions [,74.0)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.09% (39th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2379338
  • published26 Jan 2022
  • disclosed25 Mar 2020
  • creditUnknown

Introduced: 25 Mar 2020

CVE-2020-6813  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade mozilla to version 74.0 or higher.

Overview

Affected versions of this package are vulnerable to Access Restriction Bypass. When protecting CSS blocks with the nonce feature of Content Security Policy, the @import statement in the CSS block could allow an attacker to inject arbitrary styles, bypassing the intent of the Content Security Policy. This vulnerability affects Firefox < 74.

CVSS Scores

version 3.1