{"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": "2026-11-07T08:42:07.462Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-11-07T08:42:07.462Z"}, "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"]}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "mailchimp-for-wp", "product": "MC4WP", "vendor": "ibericode", "versions": [{"changes": [{"at": "4.15.0", "status": "unaffected"}], "lessThanOrEqual": "4.14.1", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "[email protected]"}], "cveTags": [], "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."}], "id": "CVE-2026-27356", "lastModified": "2026-11-06T23:17:22.290", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-11-06T23:17:22.153", "references": [{"source": "[email protected]", "url": "https://patchstack.com/database/wordpress/plugin/mailchimp-for-wp/vulnerability/wordpress-mc4wp-plugin-4-14-1-broken-access-control-vulnerability?_s_id=cve"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "[email protected]", "type": "Primary"}]}

{}