{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-16264", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2026-07-20T08:42:08.802Z", "datePublished": "2026-09-23T06:00:14.541Z", "dateUpdated": "2026-09-23T11:01:05.173Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-09-23T06:00:14.541Z" }, "title": "Newsletters < 4.18.1 - Unauthenticated Subscriber Record Overwrite and PII Disclosure via IDOR", "problemTypes": [ { "descriptions": [ { "description": "CWE-639 Authorization Bypass Through User-Controlled Key", "lang": "en", "type": "CWE" } ] } ], "affected": [ { "vendor": "Unknown", "product": "Newsletters", "versions": [ { "status": "affected", "versionType": "semver", "version": "0", "lessThan": "4.18.1" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "The Newsletters WordPress plugin before 4.18.1 does not perform an ownership check on some of its subscriber management actions, and issues a management session to unauthenticated visitors on request, allowing attackers to read any subscriber's personal data and overwrite any subscriber's record including their email address." } ], "references": [ { "url": "https://wpscan.com/vulnerability/0dd1de2d-e9bb-4c42-a78b-2643d43dfed6/", "tags": [ "exploit", "vdb-entry", "technical-description" ] } ], "credits": [ { "lang": "en", "value": "Yaswanth Reddy Sunkara", "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": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-23T10:45:35.602362Z", "id": "CVE-2026-16264", "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": "2026-09-23T11:01:05.173Z" } } ] } }