[ CVE-2026-103319 · Published 26 Oct 2026 ]
Vulnerability in Unknown OPay Payment Gateway for WooCommerce
CVSS 5.3
EPSS <1%No fix listed yet
[ Description ]Official description
The OPay Payment Gateway for WooCommerce WordPress plugin through 2.5.5 does not properly verify that payment notifications originate from the payment provider, as the secret used to validate their signature is empty by default, allowing unauthenticated attackers to forge a valid notification and mark arbitrary orders as paid, cancelled or failed.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.