Improper Input Validation Affecting mozilla package, versions [,52.3.0)(52.3.0,55.0)


Severity

Recommended
0.0
medium
0
10

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

Threat Intelligence

EPSS
0.49% (77th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2377913
  • published26 Jan 2022
  • disclosed11 Jun 2018
  • creditUnknown

Introduced: 11 Jun 2018

CVE-2017-7791  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade mozilla to version 52.3.0, 55.0 or higher.

Overview

Affected versions of this package are vulnerable to Improper Input Validation. On pages containing an iframe, the "data:" protocol can be used to create a modal alert that will render over arbitrary domains following page navigation, spoofing of the origin of the modal alert from the iframe content. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

CVSS Scores

version 3.1