MC4WP: Mailchimp for WordPress

WordPress plugin · mailchimp-for-wp · WordPress.org ↗

Latest v4.14.1 Last release Sep 16, 2026 Tested up to WP 7.1.1 1,000,000+ active installs

Critical

High

Known total

Unfixed

Running MC4WP: Mailchimp for WordPress on your site? WP Alerts checks your installed version against every entry below and emails you only when one affects you. Free, no tracking.

Scan a site Monitor my sites →

Severity	Vulnerability	Affected	Fixed in	CVE	Published
MEDIUM CVSS 6.1	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.14.1 WPVulnerability	< 4.14.1	v4.14.1	CVE-2026-87917	Aug 21, 2026
MEDIUM CVSS 6.4	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.12.1 WPVulnerability	< 4.12.1	v4.12.1	CVE-2026-4561	Mar 10, 2026
MEDIUM CVSS 5.5	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.9.17 WPVulnerability	< 4.9.17	v4.9.17	CVE-2024-8680	Sep 20, 2024
MEDIUM CVSS 6.1	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] >= 4.9.9 - <= 4.9.16 WPVulnerability	>= 4.9.9, <= 4.9.16	patched	CVE-2024-8850	Sep 18, 2024
MEDIUM CVSS 5.3	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.9.10 WPVulnerability	< 4.9.10	v4.9.10	CVE-2023-51682	Dec 27, 2023
MEDIUM CVSS 4.8	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.8.7 WPVulnerability	< 4.8.7	v4.8.7	CVE-2021-36833	Mar 2, 2022
MEDIUM CVSS 6.1	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.1.8 WPVulnerability	< 4.1.8	v4.1.8	CVE-2017-18577	Sep 8, 2017
MEDIUM CVSS 6.1	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.0.11 WPVulnerability	< 4.0.11	v4.0.11	CVE-2016-10871	Dec 13, 2016
UNKNOWN	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.12.0 WPVulnerability	< 4.12.0	v4.12.0	CVE-2026-1781	Mar 10, 2026
UNKNOWN	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.8.7 WPVulnerability	< 4.8.7	v4.8.7	—	Mar 2, 2022
UNKNOWN	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.8.5 WPVulnerability	< 4.8.5	v4.8.5	—	Jun 1, 2021
UNKNOWN	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.8.5 WPVulnerability	< 4.8.5	v4.8.5	—	Jun 1, 2021
UNKNOWN	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.8.5 WPVulnerability	< 4.8.5	v4.8.5	—	Jun 1, 2021
UNKNOWN	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.8.5 WPVulnerability	< 4.8.5	v4.8.5	—	Jun 1, 2021
UNKNOWN	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.1.7 WPVulnerability	< 4.1.7	v4.1.7	—	Nov 9, 2019
UNKNOWN	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.0.11 WPVulnerability	< 4.0.11	v4.0.11	—	Dec 9, 2016
UNKNOWN	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.1.7 WPVulnerability	< 4.1.7	v4.1.7	—	—
UNKNOWN	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.8.5 WPVulnerability	< 4.8.5	v4.8.5	—	—
UNKNOWN	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.8.5 WPVulnerability	< 4.8.5	v4.8.5	—	—
UNKNOWN	MC4WP: Mailchimp for WordPress [mailchimp-for-wp] < 4.8.7 WPVulnerability	< 4.8.7	v4.8.7	—	—

Data aggregated from WPVulnerability, NVD/NIST, ENISA EUVD, CVE.org and WordPress.org. Provided as-is; verify with the plugin author before acting. Disclaimer.