CVE-2026-10524: Unknown Cocart

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

The CoCart WordPress plugin before 4.9.0 does not validate a user-supplied price value against the actual product price when items are added to the cart through one of its public REST API endpoints, allowing unauthenticated users to set arbitrary product prices and complete WooCommerce orders at manipulated totals.

Affected products

• Unknown Cocart: before 4.9.0 (fixed in 4.9.0)

Published 2026-08-06. Last modified 2026-08-26.