{"affected":[{"defaultStatus":"unaffected","ecosystem":"https://wordpress.org/plugins","packageName":"mailchimp-for-wp","product":"MC4WP","source":"CNA: Patchstack","vendor":"ibericode","versions":[{"changes":[{"at":"4.15.0","status":"unaffected"}],"lessThanOrEqual":"4.14.1","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-27356","cwes":["CWE-862"],"description":"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.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":5.3,"severity":"medium","source":"CNA: Patchstack","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},{"score":5.3,"severity":"medium","source":"NVD: audit@patchstack.com","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"}],"modifiedAt":1794007042290,"publishedAt":1794004262728,"references":[{"source":"CNA: Patchstack","tags":["vdb-entry"],"url":"https://patchstack.com/database/wordpress/plugin/mailchimp-for-wp/vulnerability/wordpress-mc4wp-plugin-4-14-1-broken-access-control-vulnerability?_s_id=cve"},{"source":"audit@patchstack.com","tags":[],"url":"https://patchstack.com/database/wordpress/plugin/mailchimp-for-wp/vulnerability/wordpress-mc4wp-plugin-4-14-1-broken-access-control-vulnerability?_s_id=cve"}],"remediation":[{"kind":"fix","source":"CNA: Patchstack","text":"Update the WordPress MC4WP plugin to the latest available version (at least 4.15.0)."}],"revision":"23993bef225dcfb423ad3739caed0ac675d334453819915a05901ee4422b7f29","sources":[{"modifiedAt":1794004263239,"name":"CNA: Patchstack","retrievedAt":1794006551513,"url":"https://www.cve.org/CVERecord?id=CVE-2026-27356"},{"modifiedAt":1794007042290,"name":"NVD","retrievedAt":1794011281032,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27356"}],"ssvc":null,"status":"published","title":"WordPress MC4WP plugin <= 4.14.1 - Broken Access Control vulnerability","updatedAt":1794011281032}