Cross-site Request Forgery (CSRF) Affecting Firefox package, versions [,140.0-beta1)


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.03% (8th percentile)

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  • Snyk IDSNYK-UNMANAGED-FIREFOX-10558105
  • published27 Jun 2025
  • disclosed24 Jun 2025
  • creditUmar Farooq

Introduced: 24 Jun 2025

NewCVE-2025-6431  (opens in a new tab)
CWE-352  (opens in a new tab)

How to fix?

Upgrade Firefox to version 140.0-beta1 or higher.

Overview

Affected versions of this package are vulnerable to Cross-site Request Forgery (CSRF) via the prompt process. An attacker can trick users into opening links in external applications without their consent by bypassing the confirmation dialog.

CVSS Base Scores

version 4.0
version 3.1