CVE Catalog

CVE-2026-103331

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.23%

14th percentile - higher than 14% of all known CVEs

Summary

The UniPAY Payment Gateway For WooCommerce WordPress plugin through 2.3 does not properly verify the authenticity of payment notifications, as their signature is checked against a merchant secret that is empty by default. This allows unauthenticated attackers to forge a valid notification and mark arbitrary orders as paid.

Risk Assessment

An attacker can mark orders as paid without actual payment, causing financial losses.

Recommendation

Update the UniPAY Payment Gateway For WooCommerce plugin to a version later than 2.3 and set a non-empty merchant secret.

Related vulnerabilities

Original NVD description (English source)

The UniPAY Payment Gateway For WooCommerce WordPress plugin through 2.3 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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS