WatchGuard Fireware OS Stored Cross-Site Scripting Vulnerability in SpamBlocker Module

Vulnerability

A stored cross-site scripting vulnerability has been identified in WatchGuard Fireware OS versions 12.0 prior to 12.5.12+701324 and 12.6 prior to 12.11. This vulnerability allows an authenticated administrator to inject and execute arbitrary JavaScript in the management interface, potentially affecting other users.

Impact

Exploitation of this vulnerability allows for stored cross-site scripting, where injected scripts are executed in the context of the user accessing the Firebox management interface.

Remediation

This vulnerability has been resolved in Fireware OS 12.11.1.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
4.5
impact
1.7
exploitability
4.1
remediation
7.7
relevance
0.0
threat
0.0
urgency
2.9
incentive
1.7

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