Sophos Firewall and UTM
CVE-2022-3709: Stored XSS in Sophos Firewall
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.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 6.8
EPSS0.86%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| Sophos Firewall unspecified | 19.5 GA or later |
| Sophos Firewall unspecified | 19.0 MR2 or later |
| Sophos Firewall unspecified | 18.5 MR5 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
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.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.