{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-88764", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2026-09-10T06:55:42.278Z", "datePublished": "2026-09-13T06:00:08.690Z", "dateUpdated": "2026-09-13T06:00:08.690Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-09-13T06:00:08.690Z"}, "title": "Simple Membership < 4.7.8 - Subscriber+ Membership Level Escalation via PayPal Standard subsc_ref", "problemTypes": [{"descriptions": [{"description": "CWE-269 Improper Privilege Management", "lang": "en", "type": "CWE"}]}], "affected": [{"vendor": "Unknown", "product": "Simple Membership", "versions": [{"status": "affected", "versionType": "semver", "version": "0", "lessThan": "4.7.8"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Simple Membership WordPress plugin before 4.7.8 does not validate that the membership level supplied in a PayPal payment notification matches the level configured for the paid payment button, allowing members to pay for a lower-priced membership while being granted a higher, more privileged membership level."}], "references": [{"url": "https://wpscan.com/vulnerability/54fdf46e-0385-40a3-b3bc-a862dc0fb03e/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "credits": [{"lang": "en", "value": "Charles Vosburgh", "type": "finder"}, {"lang": "en", "value": "WPScan", "type": "coordinator"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "WPScan CVE Generator"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Simple Membership", "vendor": "Unknown", "versions": [{"lessThan": "4.7.8", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "contact@wpscan.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Simple Membership WordPress plugin before 4.7.8 does not validate that the membership level supplied in a PayPal payment notification matches the level configured for the paid payment button, allowing members to pay for a lower-priced membership while being granted a higher, more privileged membership level."}], "id": "CVE-2026-88764", "lastModified": "2026-09-13T06:16:25.350", "metrics": {}, "published": "2026-09-13T06:16:25.350", "references": [{"source": "contact@wpscan.com", "url": "https://wpscan.com/vulnerability/54fdf46e-0385-40a3-b3bc-a862dc0fb03e/"}], "sourceIdentifier": "contact@wpscan.com", "vulnStatus": "Received"}

{}

{}