What is CVE-2026-3468?

CVE-2026-3468 is a medium-severity vulnerability in Sonicwall Email Security, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-03-31.

How severe is CVE-2026-3468?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Sonicwall Email Security

CVE-2026-3468

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 a…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (13.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Sonicwall Email Security — versions 10.0.34.8215 and earlier versions, 10.0.34.8223 and earlier versions
Sonicwall Email_security
Sonicwall Esa5000
Sonicwall Esa5050
Sonicwall Esa7000
Sonicwall Esa7050
Sonicwall Esa9000

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

PSIRT@sonicwall.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-3468?: CVE-2026-3468 is a medium-severity vulnerability in Sonicwall Email Security, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-03-31.
How severe is CVE-2026-3468?: Medium severity. CVSS v3 base score is 4.8 out of 10.