MC4WP: Mailchimp for WordPress, PSC-2026-64599

PSC, Research URL: PSC-2026-64599
Home page URL: Security reports for MC4WP: Mailchimp for WordPress
Application: MC4WP: Mailchimp for WordPress
Published on: Jan 30, 2026
Research Description: MC4WP: Mailchimp for WordPress (v4.11.1) is widely recognized as the #1 Mailchimp integration plugin for WordPress, providing flexible signup forms and broad compatibility with popular form and commerce plugins. With Plugin Security Certification (PSC-2026-64599) from CleanTalk, MC4WP is now formally validated for secure operation in real-world WordPress environments—especially important when handling subscriber data and Mailchimp connectivity.
Affected versions: Min 4.12.1, max 4.12.1.
Status: SAFE & CERTIFIED