Vulnerability · Published Nov 6, 2026 · Assigned by Patchstack

CVE-2026-27356WordPress MC4WP plugin <= 4.14.1 - Broken Access Control vulnerability

Medium 5.3

In plain English

A medium-severity missing authorization in MC4WP from ibericode. There are no confirmed reports of exploitation so far.

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)–no EPSS score yet

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
ibericode	MC4WP	0 – through 4.14.1

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

https://patchstack.com/database/wordpress/plugin/mailchimp-for-wp/vulnerability/wordpress-mc4wp-plugin-4-14-1-broken-access-control-vulnerability?_s_id=cve vdb-entry