Information Exposure Affecting Firefox package, versions [,136)


Severity

Recommended
0.0
high
0
10

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

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  • Snyk IDSNYK-UNMANAGED-FIREFOX-9376952
  • published10 Mar 2025
  • disclosed4 Mar 2025
  • creditPhilipp Beer

Introduced: 4 Mar 2025

NewCVE-2025-1939  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Firefox to version 136 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure through the Custom Tabs feature's transition animation. An attacker can deceive a user into granting unintended permissions by obscuring the actual content being interacted with.

CVSS Base Scores

version 4.0
version 3.1