CVE-2025-6947

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.

Score

CVSS 4.0 4.8 Medium

Status

Deferred - 5d1c2695-1a31-4499-88ae-e847036fd7e3

Published

2025-09-15

Last modified

2026-08-07

Weaknesses

CWE-79

Affected products

• Fireware Os (Watchguard)

References

• https://psirt.watchguard.com/CVE-2025-6947
• https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00012