CVE-2026-83537

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-83537", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2026-08-31T17:01:05.328Z", "datePublished": "2026-09-09T06:25:06.539Z", "dateUpdated": "2026-09-09T15:23:34.131Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-09-09T06:25:06.539Z"}, "title": "WP Express Checkout < 2.5.0 - Unauthenticated Payment Bypass via wpec_process_empty_payment", "problemTypes": [{"descriptions": [{"description": "CWE-345 Insufficient Verification of Data Authenticity", "lang": "en", "type": "CWE"}]}], "affected": [{"vendor": "Unknown", "product": "WP Express Checkout", "versions": [{"status": "affected", "versionType": "semver", "version": "0", "lessThan": "2.5.0"}], "defaultStatus": "unaffected", "collectionURL": "https://wordpress.org/plugins"}], "descriptions": [{"lang": "en", "value": "The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying."}], "references": [{"url": "https://wpscan.com/vulnerability/02b39e4f-181d-4573-9175-bf5a6d71e531/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "metrics": [{"cvssV3_1": {"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"}}], "credits": [{"lang": "en", "value": "ryan zegar", "type": "finder"}, {"lang": "en", "value": "WPScan", "type": "coordinator"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "WPScan CVE Generator"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-345", "lang": "en", "description": "CWE-345 Insufficient Verification of Data Authenticity"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-09T15:22:16.966066Z", "id": "CVE-2026-83537", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-09T15:23:34.131Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-83537", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-09T15:22:16.966066Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-345", "description": "CWE-345 Insufficient Verification of Data Authenticity"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-09T15:21:49.875Z"}}], "cna": {"title": "WP Express Checkout < 2.5.0 - Unauthenticated Payment Bypass via wpec_process_empty_payment", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "ryan zegar"}, {"lang": "en", "type": "coordinator", "value": "WPScan"}], "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}}], "affected": [{"vendor": "Unknown", "product": "WP Express Checkout", "versions": [{"status": "affected", "version": "0", "lessThan": "2.5.0", "versionType": "semver"}], "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}], "references": [{"url": "https://wpscan.com/vulnerability/02b39e4f-181d-4573-9175-bf5a6d71e531/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "x_generator": {"engine": "WPScan CVE Generator"}, "descriptions": [{"lang": "en", "value": "The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-345 Insufficient Verification of Data Authenticity"}]}], "providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-09-09T06:25:06.539Z"}}}, "cveMetadata": {"cveId": "CVE-2026-83537", "state": "PUBLISHED", "dateUpdated": "2026-09-09T15:23:34.131Z", "dateReserved": "2026-08-31T17:01:05.328Z", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "datePublished": "2026-09-09T06:25:06.539Z", "assignerShortName": "WPScan"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "product": "WP Express Checkout", "vendor": "Unknown", "versions": [{"lessThan": "2.5.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "contact@wpscan.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The WP Express Checkout WordPress plugin before 2.5.0 does not verify server-side that a payment was actually completed before marking an order as paid, allowing unauthenticated users to forge a completed order without paying."}], "id": "CVE-2026-83537", "lastModified": "2026-09-09T16:17:12.130", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "contact@wpscan.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-83537", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-09T15:22:16.966066Z", "version": "2.0.3"}}]}, "published": "2026-09-09T07:16:58.540", "references": [{"source": "contact@wpscan.com", "url": "https://wpscan.com/vulnerability/02b39e4f-181d-4573-9175-bf5a6d71e531/"}], "sourceIdentifier": "contact@wpscan.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-345"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"created": "2026-09-09T10:30:09.164204+00:00", "updated": "2026-09-09T21:00:12.404339+00:00", "vendors": []}