Vulnerability · Published Oct 28, 2026 · Assigned by WPScan
CVE-2026-103331UniPAY Payment Gateway For WooCommerce < 2.4 - Unauthenticated Order Payment Forgery via Empty IPN Secret
Medium 5.3
In plain English
A medium-severity improper authentication in UniPAY Payment Gateway For WooCommerce from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.2%top 86.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The UniPAY Payment Gateway For WooCommerce WordPress plugin before 2.4 does not properly verify the authenticity of payment notifications, as their signature is checked against a merchant secret that is empty by default, allowing unauthenticated attackers to forge a valid notification and mark arbitrary orders as paid.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | UniPAY Payment Gateway For WooCommerce | 0 – before 2.4 |
Weakness: CWE-287 · 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/a7d61b5f-9e92-459c-8f6d-1c92ea94ef00/ exploit, vdb-entry, technical-description