Melmium
A minimal plugin to help you build a membership site with custom authentication pages.
Use with caution
Melmium works, but test it on a staging site before relying on it in 2026. Was last updated 6 months ago, and scores 42/100 on our health check.
- Small user base (<10 active installs)
- Very few reviews so far
- Only tested up to WordPress 6.9 (latest is 7.1)
- Needs PHP 8.1 or newer
How does it stack up?
Side-by-side on installs, updates, ratings & support
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where Melmium stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| authentication | >100 |
| login | >100 |
| membership | >100 |
| password reset | >100 |
| registration | >100 |
About Melmium
From the official readme · v1.0.3Description
Melmium provides custom authentication pages for building a membership site on WordPress. It replaces the default wp-login.php flow with theme-integrated pages for registration, login, and password reset.
Features:
- Custom authentication pages (register, login, logout, password reset)
- Email-based registration flow with token verification
- Template override support — customize templates in your theme’s
auth/directory - Google reCAPTCHA Enterprise integration (optional)
- Configuration via
wp-config.phpconstants (no settings page required)
日本語:
Melmium は WordPress で会員制サイトを構築するためのプラグインです。カスタム認証ページ（会員登録・ログイン・パスワードリセット）を提供し、テーマ側でテンプレートを自由にカスタマイズできます。
External Services
This plugin optionally connects to the Google reCAPTCHA Enterprise service for bot detection on authentication forms (registration, login, and password reset).
When data is sent: When the MELMIUM_RECAPTCHA_ENABLED constant is set to true in wp-config.php, a reCAPTCHA token is sent to Google’s servers each time a user submits an authentication form.
What data is sent: The reCAPTCHA token generated by the user’s browser and the site key configured for your project.
Service provider: Google LLC
If reCAPTCHA is not enabled (default), no data is sent to any external service.
Installation
- Upload the
melmiumfolder to the/wp-content/plugins/directory, or install the plugin through the WordPress plugins screen. - Activate the plugin through the “Plugins” screen in WordPress.
- Ensure that Pretty Permalinks are enabled (Settings > Permalinks — choose any structure other than “Plain”).
- The plugin automatically creates an authentication page and registers URL rewrite rules on activation.
- Optionally, add configuration constants to your
wp-config.phpto customize behavior (e.g.,MELMIUM_RECAPTCHA_ENABLED,MELMIUM_REDIRECT_AFTER_LOGIN).
Frequently asked questions
Is this plugin free?
Yes. Melmium is free and open-source under the GPLv2 license.
Does this plugin send data to external servers?
By default, no. However, if you enable Google reCAPTCHA Enterprise (MELMIUM_RECAPTCHA_ENABLED), form submissions will send data to Google’s reCAPTCHA API for bot detection.
Why do I need Pretty Permalinks?
Melmium uses WordPress rewrite rules to map authentication URLs (e.g., /login, /register). These rules require Pretty Permalinks to be enabled. The plugin will display an admin notice if Plain permalinks are detected.
How do I customize the authentication templates?
On activation, the plugin copies default templates to your theme’s auth/ directory. You can edit these template files directly in your theme to customize the look and behavior of each authentication page.
Changelog
1.0.3
- Renamed JavaScript global variables to use
melmium_prefix to avoid conflicts with other plugins
1.0.2
- Fixed reCAPTCHA library script version argument (null to MELMIUM_VERSION)
- Fixed Plugin Check reported issues
- Improved .DS_Store exclusion pattern to cover all subdirectories
1.0.1
- Security improvements: added nonce verification, input sanitization, and output escaping
- Added direct file access protection to template files
- Added third-party service disclosure for Google reCAPTCHA Enterprise
- Renamed constants and classes to use
melmiumprefix (4+ characters)
1.0.0
- Initial release
For developers
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Best Melmium alternatives
All authentication plugins →
FAQ
Melmium: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 2, 2026
Is Melmium free?
Yes. Melmium is free to download and use from the official WordPress.org plugin directory.
Is Melmium safe to use in 2026?
Melmium works, but test it on a staging site before relying on it in 2026. Was last updated 6 months ago, and scores 42/100 on our health check.
How many websites use Melmium?
Melmium is active on <10 WordPress websites and has been downloaded 287 times since it launched in April 2026. It was downloaded 50 times in the last 30 days.
Does Melmium work with WordPress 7.1?
Melmium is officially tested up to WordPress 6.9.9, while the latest release is 7.1.2. It may still work, but try it on a staging site first.
What PHP version does Melmium need?
Melmium requires PHP 8.1 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was Melmium last updated?
The latest version, 1.0.3, was released on April 5, 2026 (6 months ago).
Who makes Melmium?
Melmium is developed and maintained by Takashi Ito.
What are the best alternatives to Melmium?
The most popular alternatives to Melmium are Limit Login Attempts (300K+ installs), WPS Limit Login (100K+ installs) and Two Factor (100K+ installs).
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