Vulnerability · Published Oct 9, 2026 · Assigned by WPScan
CVE-2026-103329Super Payments < 1.43.1 - Unauthenticated Payment Confirmation Forgery via Webhook Signature
Medium 5.3
In plain English
A medium-severity security flaw in Super Payments from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.1%top 97.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Super Payments | 0 – before 1.43.1 |
Weakness: CWE-347 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
References
- https://wpscan.com/vulnerability/aefba87d-fa4c-4b7c-9436-6e79e966e8a5/ exploit, vdb-entry, technical-description