CVE-2025-31806: Usystems Webling

Medium severity, CVSS 5.9. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in uSystems Webling webling allows Stored XSS.This issue affects Webling: from n/a through <= 3.9.0.

Affected products

• Usystems Webling: up to and including 3.9.0

Published 2025-04-01. Last modified 2026-06-17.