CVE-2026-118757

Description

PiWeb Disable payment method / Partial payment for WooCommerce before 1.1.10.9 contains a missing authorization vulnerability in the update_fees AJAX handler that allows unauthenticated attackers to modify and read other customers' orders. Attackers can reuse a nonce from their own order-pay page and supply sequential order_id values to change payment methods, recalculate fees, and disclose order line items and totals.

References

• https://plugins.svn.wordpress.org/disable-payment-method-for-woocommerce/tags/1.1.10.7/public/class-apply-order-fees.php
• https://plugins.trac.wordpress.org/changeset/3751777/disable-payment-method-for-woocommerce
• https://wordpress.org/plugins/disable-payment-method-for-woocommerce/
• https://www.vulncheck.com/advisories/piweb-disable-payment-method-partial-payment-for-woocommerce-before-1.1.10.9-missing-authorization-via-update-fees