CVE-2026-92436: Unknown Mailchimp For Woocommerce

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

The Mailchimp for WooCommerce WordPress plugin before 6.3 does not require authentication or verify ownership before loading a saved cart from a request-supplied identifier that is derived from a customer's email address, allowing an unauthenticated attacker who knows a customer's email address to confirm that the customer shops at the store and to read that customer's saved cart contents.

Affected products

• Unknown Mailchimp For Woocommerce: before 6.3 (fixed in 6.3)

Published 2026-09-27. Last modified 2026-09-28.