medium5.3
CVE-2026-103319
The OPay Payment Gateway for WooCommerce WordPress plugin through 2.5.5 does not properly verify that payment notifications originate from the payment provider…
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| OPay Payment Gateway For WooCommerce WordPress Plugin | through 2.5.5 |
Versions were read from the advisory text. No structured product data has been published for this record yet.