CVE-2026-103329
Medium
Description
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductSuper Payments
PublishedOct 9, 2026
First seenOct 9, 2026
Weakness typeCWE-347CWE-347
How to fix
Update
- Super Payments1.43.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Super Payments | v < 1.43.1 | 1.43.1 |
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