CVE-2026-10234: Mettle Sendportal

Low severity, CVSS 3.5. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability was detected in Mettle sendportal up to 3.0.1. This affects an unknown part of the file /webview/ of the component Campaign Handler. The manipulation of the argument content results in cross site scripting. The attack can be launched remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

• Mettle Sendportal: version 3.0.0 only; version 3.0.1 only

Published 2026-06-01. Last modified 2026-07-22.