CVE-2026-103319: medium-severity vulnerability in OPay Payment Gateway for WooCommerce
OPay Payment Gateway for WooCommerce <= 2.5.5 - Unauthenticated Payment Confirmation Forgery via Empty Default Secret Key
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.2%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected products
Unknown · OPay Payment Gateway for WooCommercepublic PoCs found — 1
cve_referencewpscan.com/vulnerability/c07f15a0-3c15-429f-bcde-1511ad658c6c/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.