{"cve":"CVE-2026-103331","nvd":{"published":"2026-10-28T06:16:31.570","modified":"2026-10-28T06:16:31.570","status":"Received","description":"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.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://wpscan.com/vulnerability/a7d61b5f-9e92-459c-8f6d-1c92ea94ef00/"],"products":[],"source":"nvd","synced_at":"2026-10-28T06:34:17.443454810+00:00"},"epss":null,"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}