Improper Input Validation Affecting mozilla package, versions [,72.0)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.19% (57th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2379087
  • published26 Jan 2022
  • disclosed8 Jan 2020
  • creditUnknown

Introduced: 8 Jan 2020

CVE-2019-17020  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade mozilla to version 72.0 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation. If an XML file is served with a Content Security Policy and the XML file includes an XSL stylesheet, the Content Security Policy will not be applied to the contents of the XSL stylesheet. If the XSL sheet e.g. includes JavaScript, it would bypass any of the restrictions of the Content Security Policy applied to the XML document. This vulnerability affects Firefox < 72.

CVSS Scores

version 3.1