{"identifier":"CVE-2026-103324","cve":{"id":"CVE-2026-103324","description":"The Cardinity Payment Gateway for WooCommerce WordPress plugin before 3.4.2 does not properly verify the authenticity of the payment notifications it receives, as the secret used to sign them is empty by default, allowing unauthenticated attackers to forge an approved-payment notification and mark arbitrary orders as paid, or force them to failed.","published":"2026-10-15T07:17:58.230000+00:00","modified":"2026-10-15T14:47:05.720000+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-345"],"references":[{"url":"https://wpscan.com/vulnerability/4e23c520-bb92-47b8-a617-0d334820db50/","source":"contact@wpscan.com"}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"contact@wpscan.com","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":"2026-10-15T10:37:11.849691Z","id":"CVE-2026-103324","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[],"source":"nvd","retrieved_at":"2026-10-28T10:22:35.634899+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":0.00125,"percentile":0.02195,"date":"2026-10-29","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"wpscan.com","source_url":"https://wpscan.com/vulnerability/4e23c520-bb92-47b8-a617-0d334820db50/","investigate_url":"https://investigate.aeglixmind.com/#wpscan.com"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-103324","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-103324","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-103324","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."}}