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Mozilla Firefox Downloads Panel Spoofing Vulnerability

Vulnerability

A spoofing vulnerability has been identified in the Downloads Panel component of Mozilla Firefox. This issue affects Firefox versions prior to 146. The vulnerability allows for deceptive manipulation within the Downloads Panel, potentially leading to user confusion or misrepresentation of download statuses.

Impact

Exploitation of this vulnerability could lead to spoofing, allowing an attacker to create a false representation of information within the Downloads Panel.

Remediation

Users can upgrade to Firefox 146 to address this vulnerability.

Added: Dec 9, 2025, 8:37 PM
Updated: Dec 9, 2025, 8:37 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
0.6
exploitability
4.4
remediation
7.7
relevance
1.4
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.