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vuln-cve/data/2026/88xxx/CVE-2026-88764.json
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{
"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": "2026-09-13T10:44:51.651Z"
},
"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"
}
},
"adp": [
{
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-269",
"lang": "en",
"description": "CWE-269 Improper Privilege Management"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.4,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
}
},
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-09-13T10:42:12.856460Z",
"id": "CVE-2026-88764",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"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": "2026-09-13T10:44:51.651Z"
}
}
]
}
}