{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-27356","assignerOrgId":"21595511-bba5-4825-b968-b78d1f9984a3","state":"PUBLISHED","assignerShortName":"Patchstack","dateReserved":"2026-02-19T09:51:48.837Z","datePublished":"2026-11-06T22:31:02.728Z","dateUpdated":"2026-11-06T22:31:03.239Z"},"containers":{"cna":{"providerMetadata":{"orgId":"21595511-bba5-4825-b968-b78d1f9984a3","shortName":"Patchstack","dateUpdated":"2026-11-06T22:31:03.239Z"},"title":"WordPress MC4WP plugin <= 4.14.1 - Broken Access Control vulnerability","datePublic":"2026-11-06T22:30:00.000Z","descriptions":[{"lang":"en","value":"Missing Authorization vulnerability in ibericode MC4WP mailchimp-for-wp allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MC4WP: from n/a through 4.14.1.","supportingMedia":[{"type":"text/html","base64":false,"value":"Missing Authorization vulnerability in ibericode MC4WP mailchimp-for-wp allows Exploiting Incorrectly Configured Access Control Security Levels.<p>This issue affects MC4WP: from n/a through 4.14.1.</p>"}]}],"affected":[{"vendor":"ibericode","product":"MC4WP","packageName":"mailchimp-for-wp","collectionURL":"https://wordpress.org/plugins","defaultStatus":"unaffected","versions":[{"version":"0","versionType":"custom","status":"affected","lessThanOrEqual":"4.14.1","changes":[{"at":"4.15.0","status":"unaffected"}]}]}],"references":[{"url":"https://patchstack.com/database/wordpress/plugin/mailchimp-for-wp/vulnerability/wordpress-mc4wp-plugin-4-14-1-broken-access-control-vulnerability?_s_id=cve","tags":["vdb-entry"]}],"credits":[{"lang":"en","value":"Harry Nguyen | Patchstack Bug Bounty Program","type":"finder"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","description":"Missing Authorization","lang":"en","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-180","descriptions":[{"lang":"en","value":"Exploiting Incorrectly Configured Access Control Security Levels"}]}],"solutions":[{"lang":"en","value":"Update the WordPress MC4WP plugin to the latest available version (at least 4.15.0).","supportingMedia":[{"type":"text/html","base64":false,"value":"Update the WordPress MC4WP plugin to the latest available version (at least 4.15.0)."}]}],"tags":["x_open-source"]}}}