CVE-2025-6947
Medium
Description
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.
SeverityMedium
CVSS4.8
Exploit probability—
ProductFireware OS
PublishedSep 15, 2025
First seenSep 15, 2025
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- WatchGuard Fireware OS12.11.3, 12.5.13 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| WatchGuard Fireware OS | 12.0 ≤ v < 12.11.3, 12.0 ≤ v < 12.5.13 | 12.11.3, 12.5.13 |
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