{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-88844", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2026-09-10T09:57:47.089Z", "datePublished": "2026-09-18T06:00:16.075Z", "dateUpdated": "2026-09-18T11:08:43.091Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-09-18T06:00:16.075Z"}, "title": "MasterStudy LMS 3.6.2 - < 3.7.50 - Instructor+ Student PII Disclosure via IDOR", "problemTypes": [{"descriptions": [{"description": "CWE-639 Authorization Bypass Through User-Controlled Key", "lang": "en", "type": "CWE"}]}], "affected": [{"vendor": "Unknown", "product": "MasterStudy LMS WordPress Plugin", "versions": [{"status": "affected", "versionType": "semver", "version": "3.6.2", "lessThan": "3.7.50"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not verify that the requesting user owns the course before returning its enrolled-student data, allowing users with the MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50's Instructor role to disclose the names and email addresses of students enrolled in other instructors' courses."}], "references": [{"url": "https://wpscan.com/vulnerability/13b4f5c4-db4a-4bc2-b092-07747ee790e6/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "credits": [{"lang": "en", "value": "Karthik Ramakrishnan", "type": "finder"}, {"lang": "en", "value": "WPScan", "type": "coordinator"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "WPScan CVE Generator"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-639", "lang": "en", "description": "CWE-639 Authorization Bypass Through User-Controlled Key"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 2.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-09-18T11:01:27.204485Z", "id": "CVE-2026-88844", "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": "2026-09-18T11:08:43.091Z"}}]}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "MasterStudy LMS WordPress Plugin", "vendor": "Unknown", "versions": [{"lessThan": "3.7.50", "status": "affected", "version": "3.6.2", "versionType": "semver"}]}], "source": "contact@wpscan.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not verify that the requesting user owns the course before returning its enrolled-student data, allowing users with the MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50's Instructor role to disclose the names and email addresses of students enrolled in other instructors' courses."}], "id": "CVE-2026-88844", "lastModified": "2026-09-18T06:16:41.267", "metrics": {}, "published": "2026-09-18T06:16:41.267", "references": [{"source": "contact@wpscan.com", "url": "https://wpscan.com/vulnerability/13b4f5c4-db4a-4bc2-b092-07747ee790e6/"}], "sourceIdentifier": "contact@wpscan.com", "vulnStatus": "Received"}

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