Description
A reflected cross-site scripting (XSS) vulnerability in the Fireware OS Web UI enabled execution of malicious JavaScript in the context of an authenticated management user's browser when they click on a specially crafted link.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| WatchGuard | Fireware OS | 2025.1 – < 2026.1.2, 12.7 – < 12.11.8 | 2026.1.2 |
Advisories 1
- WID-SEC-2026-0570 WatchGuard Firebox: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 3, 2026