CVE-2025-6946

| EUVD-2025-201296 MEDIUM
2025-12-04 5d1c2695-1a31-4499-88ae-e847036fd7e3
4.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 15, 2026 - 16:35 vuln.today
EUVD ID Assigned
Mar 15, 2026 - 16:35 euvd
EUVD-2025-201296
CVE Published
Dec 04, 2025 - 22:15 nvd
MEDIUM 4.8

Tags

XSS Fireware

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS allows Stored XSS via the IPS module. This vulnerability requires an authenticated administrator session to a locally managed Firebox. This issue affects Firebox: from 12.0 through 12.11.2.

Analysis

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS allows Stored XSS via the IPS module. This vulnerability requires an authenticated administrator session to a locally managed Firebox.

This issue affects Firebox: from 12.0 through 12.11.2.

Technical Context

Cross-site scripting (XSS) allows injection of client-side scripts into web pages viewed by other users due to insufficient output encoding.

Affected Products

Affected products: Watchguard Fireware

Remediation

Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.

Priority Score

24
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +24
POC: 0

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CVE-2025-6946 vulnerability details – vuln.today
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