Description
WordPress Plugin
CF7 Newsletter Connector
The secure alternative to abandoned CF7 Newsletter plugin. Connect Contact Form 7 to Mailchimp, Brevo, MailerLite, and ConvertKit with field mapping, double opt-in, and activity logging. Security-audited code you can trust.
Security-Audited
4 Services
GDPR Ready
Zero Config
The CF7 Newsletter security problem
The original “CF7 Newsletter” plugin was closed due to security vulnerabilities. Thousands of sites needed a secure, actively-maintained replacement. CF7 Newsletter Connector provides enterprise-grade security with field mapping, double opt-in, and support for 4 major newsletter services.
Security First
Nonce verification, capability checks, sanitized input. Replaces vulnerable abandoned plugin with audited code.
4 Major Services
Mailchimp, Brevo, MailerLite, ConvertKit. API v3 integrations with field mapping and merge tags.
Double Opt-In
GDPR-compliant email confirmation. Subscribers confirm before joining list. Legal compliance built-in.
Activity Logs
Track every subscription attempt. Success rate dashboard. Debug errors with detailed messages.
Why the original was abandoned
The original “CF7 Newsletter” plugin was closed by WordPress.org due to security vulnerabilities. Thousands of sites needed a secure replacement that follows WordPress coding standards and security best practices. CF7 Newsletter Connector was built from scratch with security as priority #1.
Old CF7 Newsletter: Security vulnerabilities
Closed by WordPress.org security team. No nonce verification, unsanitized input, SQL injection risks. Abandoned with no updates.
Other alternatives: Bloated feature creep
Premium plugins charge monthly fees for features you don’t need. Complicated setup, hidden costs, vendor lock-in.
CF7 Newsletter Connector: Secure by design
Security-audited code. Nonce verification, capability checks, sanitized input/output. One-time purchase. No monthly fees. Active support.
🔒 Security Audit Checklist
✓ Nonce Verification
All admin actions verify WordPress nonces. Prevents CSRF attacks. Industry standard protection.
✓ Capability Checks
Only administrators can access settings. manage_options capability required. Unauthorized users blocked.
✓ Sanitized Input
All form data sanitized via WordPress functions. Prevents SQL injection and XSS attacks.
✓ Escaped Output
All output properly escaped. esc_html(), esc_attr(), wp_kses_post() used throughout codebase.
Complete integration with major services
Connect to the newsletter service you already use. API integrations for Mailchimp, Brevo, MailerLite, and ConvertKit with field mapping and merge tags.
Mailchimp (API v3)
Audience management with merge fields (FNAME, LNAME). Double opt-in support. Update existing subscribers. Datacenter auto-detection from API key.
Brevo / Sendinblue (API v3)
List management with attributes (FIRSTNAME, LASTNAME). Contact existence check. Optional DOI template. Update enabled toggle.
MailerLite (API v2)
Group-based subscriptions with Bearer token auth. Simple subscriber object. Auto-handles name field. 200/201 status codes for success.
ConvertKit (API v3)
Form-based subscriptions with API key auth. First name extraction from full name. Simple JSON POST endpoint. Account verification.
Perfect for CF7 users and agencies
Sites migrating from abandoned CF7 Newsletter plugin. Agencies building client sites with newsletter integration. Anyone needing secure, GDPR-compliant Contact Form 7 subscriptions.
Migration from CF7 Newsletter
Drop-in replacement. Deactivate old plugin, activate this one. Same field names work immediately. Secure alternative to vulnerable legacy code.
Agencies
Install on every client site. One-time purchase, unlimited sites. Support for 4 major services. Professional solution, not custom code.
GDPR Compliance
Double opt-in support. Activity logging with timestamps. Transparent consent tracking. Legal teams approve security-audited code.
Frequently asked questions
Does this replace the old CF7 Newsletter plugin?
Yes. This is a secure, actively-maintained replacement for the abandoned CF7 Newsletter plugin that was closed due to security vulnerabilities. Simply deactivate the old plugin and activate this one.
Which newsletter services are supported?
Currently supports Mailchimp, Brevo (Sendinblue), MailerLite, and ConvertKit. All use latest API versions with field mapping and double opt-in support.
Do I need to modify my CF7 forms?
No, if your forms use standard field names (your-email, your-name). If you use custom field names, update them in plugin settings under Contact > Newsletter Connector.
How do I enable double opt-in?
Enable the “Double Opt-In” checkbox in settings. This sends a confirmation email to subscribers before adding them to your list (GDPR-recommended).
How is this more secure than the old plugin?
Nonce verification on all admin actions, capability checks, sanitized input/output, escaped database queries, modern PHP 8.2+ with type declarations, regular security audits, and active maintenance.
Where are activity logs stored?
Logs are stored in a custom database table (wp_cf7_nc_logs). View statistics in settings page. Activity log viewer coming in v1.1.
Can I update existing subscribers?
Yes. Enable “Update Existing” in settings. This updates subscriber data if they submit the form again, instead of returning an error.
Is this GDPR compliant?
The plugin provides GDPR compliance tools (double opt-in, activity logging), but compliance depends on your implementation and privacy policy. Consult a legal professional.
Technical requirements
WordPress
6.0 or higher
PHP
8.2 or higher
Contact Form 7
5.0 or higher
Newsletter Service
API account required
