CVE-2021-24877: Mainwp Child

High severity, CVSS 7.2. EPSS: 1.3% chance of exploitation in the next 30 days.

The MainWP Child WordPress plugin before 4.1.8 does not validate the orderby and order parameter before using them in a SQL statement, leading to an SQL injection exploitable by high privilege users such as admin when the Backup and Staging by WP Time Capsule plugin is installed

Affected products

• Mainwp Mainwp Child: before 4.1.8 (fixed in 4.1.8)

Published 2021-11-23. Last modified 2026-06-17.