User Impersonation Affecting Firefox package, versions [,146)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-UNMANAGED-FIREFOX-14246605
- published9 Dec 2025
- disclosed9 Dec 2025
- creditCaro Kann
Introduced: 9 Dec 2025
NewCVE-2025-14327 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade Firefox to version 146 or higher.
Overview
Affected versions of this package are vulnerable to User Impersonation via the Downloads Panel component. An attacker can deceive users by presenting misleading information or content through manipulation of the displayed download details.