{"identifier":"CVE-2026-103331","cve":{"id":"CVE-2026-103331","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.","published":"2026-10-28T06:16:31.570000+00:00","modified":"2026-10-28T18:17:01.707000+00:00","status":"Deferred","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cvss_version":"3.1","affected":[],"weaknesses":["CWE-287"],"references":[{"url":"https://wpscan.com/vulnerability/a7d61b5f-9e92-459c-8f6d-1c92ea94ef00/","source":"contact@wpscan.com"}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-10-28T17:51:06.716523Z","id":"CVE-2026-103331","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[],"source":"nvd","retrieved_at":"2026-10-28T21:21:29.378176+00:00","exploited":false,"kev_stale":false,"products":[],"priority":{"label":"Assess exposure and vendor guidance","reasons":["No higher-priority signal is available in the current stored evidence."]},"epss":{"probability":0.00231,"percentile":0.13963,"date":"2026-10-29","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"wpscan.com","source_url":"https://wpscan.com/vulnerability/a7d61b5f-9e92-459c-8f6d-1c92ea94ef00/","investigate_url":"https://investigate.aeglixmind.com/#wpscan.com"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-103331","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-103331","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-103331","coverage":{"news_candidates_checked":0,"campaign_candidates_checked":0,"bounded":false,"notice":"Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence."}}