Description
A stored Cross-Site Scripting (XSS) vulnerability has been identified in the SonicWall Email Security appliance due to improper neutralization of user-supplied input during web page generation, allowing a remote authenticated attacker as admin user to potentially execute arbitrary JavaScript code.
Affected products
sonicwall: email security; sonicwall: esa5000; sonicwall: esa5050; sonicwall: esa7000; sonicwall: esa7050; sonicwall: esa9000
References1
- psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0002 Vendor Advisory
Metrics
- CVSS 3.1
-
4.8
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - EPSS — exploit probability
- 0% percentile: 14 · as of 12 November 2026
- CWE
- CWE-79
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.