---
id: CVE-2025-6947
title: >-
  A stored cross-site scripting (XSS) vulnerability exists in the management
  interface of WatchGuard Firebox appliances via the SIP Proxy configuration
summary: >-
  A stored cross-site scripting (XSS) vulnerability exists in the management
  interface of WatchGuard Firebox appliances via the SIP Proxy configuration. An
  authenticated remote attacker with administrator privileges could exploit this
  vuln…
severity: none
cwe:
  - CWE-79
published: '2025-09-15'
updated: '2026-08-08'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-6947'
references:
  - url: 'https://psirt.watchguard.com/CVE-2025-6947'
    label: 5d1c2695-1a31-4499-88ae-e847036fd7e3
  - url: 'https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00012'
    label: 5d1c2695-1a31-4499-88ae-e847036fd7e3
tags:
  - nvd
epss: 0.00476
epssPercentile: 0.40288
ingestedAt: '2026-08-08T00:19:07.664Z'
---

## Overview

A stored cross-site scripting (XSS) vulnerability exists in the management interface of WatchGuard Firebox appliances via the SIP Proxy configuration. An authenticated remote attacker with administrator privileges could exploit this vulnerability to execute arbitrary JavaScript code in the Firebox management interface of another management user.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.