CVE-2026-105421: Kit Formerly Convertkit For Woocommerce

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in Kit Kit (formerly ConvertKit) for WooCommerce convertkit-for-woocommerce allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Kit (formerly ConvertKit) for WooCommerce: from n/a through 2.2.0.

Affected products

• Kit Kit Formerly Convertkit For Woocommerce: up to and including 2.2.0

Published 2026-10-05. Last modified 2026-10-06.