CVE-2026-88764

{"id": "CVE-2026-88764", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-88764", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-13T10:42:12.856460Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"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"}, "impactScore": 2.5, "exploitabilityScore": 2.8}]}, "affected": [{"source": "contact@wpscan.com", "affectedData": [{"vendor": "Unknown", "product": "Simple Membership", "versions": [{"status": "affected", "version": "0", "lessThan": "4.7.8", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-13T06:16:25.350", "references": [{"url": "https://wpscan.com/vulnerability/54fdf46e-0385-40a3-b3bc-a862dc0fb03e/", "source": "contact@wpscan.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-269"}]}], "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."}], "lastModified": "2026-09-14T21:10:17.423", "sourceIdentifier": "contact@wpscan.com"}