{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-103319", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2026-09-30T12:02:14.736Z", "datePublished": "2026-10-26T06:00:18.562Z", "dateUpdated": "2026-10-26T06:00:18.562Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-10-26T06:00:18.562Z"}, "title": "OPay Payment Gateway for WooCommerce <= 2.5.5 - Unauthenticated Payment Confirmation Forgery via Empty Default Secret Key", "problemTypes": [{"descriptions": [{"description": "CWE-287 Improper Authentication", "lang": "en", "type": "CWE"}]}], "affected": [{"vendor": "Unknown", "product": "OPay Payment Gateway for WooCommerce", "versions": [{"status": "affected", "versionType": "semver", "version": "0", "lessThanOrEqual": "2.5.5"}], "defaultStatus": "unknown"}], "descriptions": [{"lang": "en", "value": "The OPay Payment Gateway for WooCommerce WordPress plugin through 2.5.5 does not properly verify that payment notifications originate from the payment provider, as the secret used to validate their signature is empty by default, allowing unauthenticated attackers to forge a valid notification and mark arbitrary orders as paid, cancelled or failed."}], "references": [{"url": "https://wpscan.com/vulnerability/c07f15a0-3c15-429f-bcde-1511ad658c6c/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "credits": [{"lang": "en", "value": "Naoki Kawahigashi", "type": "finder"}, {"lang": "en", "value": "WPScan", "type": "coordinator"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "WPScan CVE Generator"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unknown", "product": "OPay Payment Gateway for WooCommerce", "vendor": "Unknown", "versions": [{"lessThanOrEqual": "2.5.5", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "contact@wpscan.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The OPay Payment Gateway for WooCommerce WordPress plugin through 2.5.5 does not properly verify that payment notifications originate from the payment provider, as the secret used to validate their signature is empty by default, allowing unauthenticated attackers to forge a valid notification and mark arbitrary orders as paid, cancelled or failed."}], "id": "CVE-2026-103319", "lastModified": "2026-10-26T07:17:07.193", "metrics": {}, "published": "2026-10-26T07:17:07.193", "references": [{"source": "contact@wpscan.com", "url": "https://wpscan.com/vulnerability/c07f15a0-3c15-429f-bcde-1511ad658c6c/"}], "sourceIdentifier": "contact@wpscan.com", "vulnStatus": "Received"}

{}