CVE-2025-1239

A stored cross-site scripting XSS vulnerability exists in the management interface of WatchGuard Firebox appliances via the Blocked Sites list. An authenticated remote attacker with administrator privileges could exploit this vulnerability to execute arbitrary JavaScript code in the Firebox...

CVE-2025-1239

WatchGuard Fireware OS (WatchGuard Firebox) is affected by CVE-2025-1239. Affected versions are Fireware OS 12.0–12.5.12+701324 and 12.6–12.11. The issue is an improper neutralization of input during web page generation, enabling Stored XSS via the Blocked Sites list. An authenticated administrat...