CVE-2022-3709: Sophos XG Firewall Firmware

High severity, CVSS 8.4. EPSS: 0.9% chance of exploitation in the next 30 days.

A stored XSS vulnerability allows admin to super-admin privilege escalation in the Webadmin import group wizard of Sophos Firewall releases older than version 19.5 GA.

Affected products

• Sophos XG Firewall Firmware: up to and including 19.0

Published 2022-12-01. Last modified 2026-06-17.