CVE-2026-77695: Unknown Return Refund And Exchange For Woocommerce

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

The Return Refund and Exchange For WooCommerce WordPress plugin before 4.6.4 does not correctly verify the ownership of guest orders in some of the AJAX actions it exposes to unauthenticated users, allowing them to read private order messages, post messages and attachments in the customer's name, and cancel return requests on any guest order.

Affected products

• Unknown Return Refund And Exchange For Woocommerce: from 4.4.6, before 4.6.4 (fixed in 4.6.4)

Published 2026-08-26. Last modified 2026-08-26.