CVE-2026-39713: Mailercloud – Integrate Webforms And Synchronize Website Contacts

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in mailercloud Mailercloud – Integrate webforms and synchronize website contacts mailercloud-integrate-webforms-synchronize-contacts allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Mailercloud – Integrate webforms and synchronize website contacts: from n/a through <= 1.0.7.

Affected products

• Mailercloud Mailercloud – Integrate Webforms And Synchronize Website Contacts: up to and including 1.0.7

Published 2026-04-08. Last modified 2026-07-24.