UAU Ready
Description
The MC4WP plugin is aimed at those who capture leads through newsletters, those who sell through WooCommerce, and websites that need to connect WordPress forms to Mailchimp, with subscription fields, opt-in checkbox, and subscriber sync. It helps turn signups, purchases, and site interactions into organized contacts for email marketing campaigns.
Main Features of MC4WP
- Forms for Mailchimp
Creates subscription forms connected directly to Mailchimp lists. - Opt-in checkbox
Adds subscription consent in flows such as registration and checkout. - WooCommerce integration
Captures contacts during purchases and sends data to configured lists. - Customizable fields
Lets you adjust form fields according to the data you need. - Flexible placement
Displays forms in site areas using WordPress features.
Benefits of MC4WP
- More organized list
Centralizes new contacts in Mailchimp without constant manual exports. - More qualified signups
Collects subscribers at relevant points along the site journey. - Simple marketing flow
Reduces steps between WordPress signup and email communication. - Better use of traffic
Turns visits, signups, and purchases into a basis for relationship building.
Who Is MC4WP Intended For?
- Those who publish content and want to build a reader list for recurring newsletters.
- Those who sell products on WooCommerce and want to capture subscribers during checkout.
- Websites that already use Mailchimp and need to connect WordPress forms to their contact list.
How to Download MC4WP
MC4WP is available for download here on Ultrapack. After downloading the .zip file, install it via Plugins > Add New > Upload Plugin, select the file, and activate. After activation, configure the Mailchimp connection in the WordPress dashboard.
MC4WP acts as a bridge between the site and the email marketing strategy, taking WordPress signups to Mailchimp with less operational work. For those who rely on newsletters, relationship recovery, or basic contact segmentation, the plugin concentrates subscriber capture at practical points on the site.
Frequently asked questions
Is MC4WP – Mailchimp for WordPress Premium GPL-licensed?
Yes. MC4WP – Mailchimp for WordPress Premium is distributed under the GPL (GNU General Public License). You may legally use, modify and redistribute it on as many sites as you want.
Can I use MC4WP – Mailchimp for WordPress Premium on multiple sites?
Yes. You can install MC4WP – Mailchimp for WordPress Premium on as many sites as you want. Only automatic updates through Ultrapack Auto Updater have a limit: from 3 to 80 sites, depending on the plan.
How much does MC4WP – Mailchimp for WordPress Premium cost at Ultrapack?
MC4WP – Mailchimp for WordPress Premium costs US$2.99 as a single purchase, and it is also included in the subscription plans starting at US$12/mo (VIP I).
Does MC4WP – Mailchimp for WordPress Premium include updates?
Yes. The current version of MC4WP – Mailchimp for WordPress Premium is 4.11.9, published at Ultrapack on Sep 23, 2026. Subscribers update straight from the WordPress dashboard with UAU (Ultrapack Auto Updater).
Is MC4WP – Mailchimp for WordPress Premium scanned before publication?
Yes. Every version of MC4WP – Mailchimp for WordPress Premium goes through a malware scan (ClamAV and YARA rules, at UltraHub) before it is published.
What are the requirements for the plugin MC4WP – Mailchimp for WordPress Premium?
Requires PHP 7.4 or higher.
What changed in this version
Version 4.11.9
- Security: Only run logging database migrations for administrators.
- Security: Prevent spreadsheet formula injection in exported log files.
Version 4.11.8
- User Sync: Allow mapping core WordPress user fields (username, display name, role, etc.) in the field map, grouped separately from custom fields.
- Security: Add nonce verification to the AJAX request for fetching audience details in the activity dashboard widget.
- Security: Escape log table column output.
- Misc: Update WordPress Coding Standards to 3.4.
Version 4.11.7
- Forms: Fix encoded character showing on button after submitting.
Version 4.11.6
- User Sync: Rename the remaining "lists" reference to "audiences" on the settings page.
- User Sync: Handle webhook requests without request URI server data without triggering PHP warnings.
- Translations: Use the shared `mc4wp-premium` text domain consistently across premium add-ons and admin screens.
- E-commerce: Generate abandoned cart identifiers using UTC dates for consistent tracking across server time zones.
- E-commerce: Handle requests without request-method server data without triggering PHP warnings.
- General: Improve output escaping across premium admin pages, notices, reports, and settings.
Version 4.11.5
- Security: Add nonce verification to state-changing URLs and abandoned cart queueing.
- Security: Fix potential SQL injection issues for bulk deleting log items.
- Security: Fix potential stored XSS issues in debug output, custom color settings, and Mailchimp audience names when WP_DEBUG is enabled.
- Email Notifications: Fix potential HTML injection in sign-up notification emails.
- E-commerce: Only run upgrade routines during admin or cron requests.
- Performance: Avoid unnecessary WooCommerce checks during autoloading.
- General: Use deferred loading and inline script data for more scripts.
Release notes published by the developer.
How to install
Automatic updates: this item is updated by the Ultrapack Auto Updater. With it installed, the new version shows up in your dashboard like any other WordPress update (how to set it up).
- Download the file
mc4wp-premium.zip. - In the WordPress dashboard, go to Plugins > Add New > Upload Plugin.
- Select the file
mc4wp-premium.zipand click Install Now. - Click Activate.
Requirements: Requires PHP 7.4 or higher.
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