CVE-2026-16621

{"id": "CVE-2026-16621", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-16621", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-12T12:14:12.062302Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "contact@wpscan.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "affected": [{"source": "contact@wpscan.com", "affectedData": [{"vendor": "Unknown", "product": "Payment Gateway for PayPal on WooCommerce", "versions": [{"status": "affected", "version": "0", "lessThan": "9.2.1", "versionType": "semver"}], "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}]}], "published": "2026-08-12T12:17:46.920", "references": [{"url": "https://wpscan.com/vulnerability/76c4cff2-1166-45fe-9517-5eda2d24c35d/", "source": "contact@wpscan.com"}], "vulnStatus": "Deferred", "descriptions": [{"lang": "en", "value": "The Payment Gateway for PayPal on WooCommerce WordPress plugin before 9.2.1 does not verify that payment actually succeeded before completing an order in its PayPal return handler: it reads attacker-controlled parameters, performs no amount comparison and no order-ownership check, and completes the order even when the server-side gateway verification fails, allowing an unauthenticated attacker to mark arbitrary orders as paid without paying."}], "lastModified": "2026-08-26T16:30:52.723", "sourceIdentifier": "contact@wpscan.com"}