CVE-2026-105436: Mainwp Child

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Deserialization of Untrusted Data vulnerability in MainWP MainWP Child mainwp-child allows Object Injection.This issue affects MainWP Child: from n/a through 6.2.1.

Affected products

• Mainwp Mainwp Child: up to and including 6.2.1

Published 2026-10-08. Last modified 2026-10-09.