CVE-2026-103329mediumCWE-347

CVE-2026-103329: medium-severity vulnerability in Super Payments

Super Payments < 1.43.1 - Unauthenticated Payment Confirmation Forgery via Webhook Signature

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 0.1%
The Super Payments WordPress plugin before 1.43.1 does not properly verify the authenticity of incoming payment webhook notifications, as the signing key used to validate their signature is empty by default, allowing unauthenticated attackers to forge a valid signature and mark arbitrary WooCommerce orders as paid without payment.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected products
Unknown · Super Payments
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.