{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-87966", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2026-09-09T17:46:45.657Z", "datePublished": "2026-09-18T06:00:15.556Z", "dateUpdated": "2026-09-18T11:09:27.511Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-09-18T06:00:15.556Z"}, "title": "Easy Appointments 4.0 - 4.0.2.1 - Unauthenticated Arbitrary Appointment Modification and Deletion via IDOR", "problemTypes": [{"descriptions": [{"description": "CWE-639 Authorization Bypass Through User-Controlled Key", "lang": "en", "type": "CWE"}]}], "affected": [{"vendor": "Unknown", "product": "Easy Appointments", "versions": [{"status": "affected", "versionType": "semver", "version": "4.0", "lessThan": "4.0.2.2"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Easy Appointments WordPress plugin before 4.0.2.2 does not perform an ownership or authorization check on its unauthenticated appointment-reservation endpoint before updating an existing appointment identified by a request-supplied id, allowing unauthenticated attackers to overwrite, and through a follow-on cleanup delete, arbitrary appointments."}], "references": [{"url": "https://wpscan.com/vulnerability/e2e625f4-c146-4622-b439-3179c4484613/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "credits": [{"lang": "en", "value": "blast", "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": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-09-18T11:02:32.954621Z", "id": "CVE-2026-87966", "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": "2026-09-18T11:09:27.511Z"}}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Easy Appointments", "vendor": "Unknown", "versions": [{"lessThan": "4.0.2.2", "status": "affected", "version": "4.0", "versionType": "semver"}]}], "source": "contact@wpscan.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Easy Appointments WordPress plugin before 4.0.2.2 does not perform an ownership or authorization check on its unauthenticated appointment-reservation endpoint before updating an existing appointment identified by a request-supplied id, allowing unauthenticated attackers to overwrite, and through a follow-on cleanup delete, arbitrary appointments."}], "id": "CVE-2026-87966", "lastModified": "2026-09-18T06:16:40.950", "metrics": {}, "published": "2026-09-18T06:16:40.950", "references": [{"source": "contact@wpscan.com", "url": "https://wpscan.com/vulnerability/e2e625f4-c146-4622-b439-3179c4484613/"}], "sourceIdentifier": "contact@wpscan.com", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4.0,4.0.2.2)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Easy Appointments", "source": "cna", "vendor": "Unknown"}, "product": "easy_appointments", "vendor": "easy-appointments"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}], "created": "2026-09-18T10:00:06.665410+00:00", "updated": "2026-09-18T10:00:06.665475+00:00", "vendors": ["easy-appointments", "easy-appointments$PRODUCT$easy_appointments", "wordpress", "wordpress$PRODUCT$wordpress"]}