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 admin user to potentially execute arbitrary JavaScript code.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (19.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
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)
References
- psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0002 (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.