Mozilla Firefox for Android External Application Link Prompt Bypass Vulnerability

Vulnerability

A vulnerability exists in Firefox for Android versions prior to 140, allowing attackers to bypass the default prompt that asks users before opening links in external applications. This could lead to security vulnerabilities or privacy leaks in those applications.

Impact

Bypassing the prompt can expose users to security vulnerabilities or privacy leaks in external applications.

Remediation

Users can update to Firefox version 140 or later to address this vulnerability.

Added: Jun 24, 2025, 1:45 PM
Updated: Jun 24, 2025, 1:45 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
0.0
exploitability
4.0
remediation
7.7
relevance
0.2
threat
0.0
urgency
2.9
incentive
0.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.