Descripción
OneCode Login provides a modern, passwordless authentication experience for your WordPress site. Instead of traditional passwords, users receive a secure 6-digit verification code via email.
Key Features
- Passwordless Authentication – Users log in with just their email address
- 6-Digit Verification Codes – Secure, time-limited codes sent via email
- Rate Limiting – Built-in protection against brute force attacks
- Request ID Binding – Each code is bound to a specific login session for enhanced security
- Neutral Feedback – Prevents user enumeration attacks by not revealing if an email exists
- Customizable – Configure expiry times, cooldowns, and email templates
- Accessible – Full keyboard navigation and screen reader support
- Gutenberg Block – Easy to add login forms to any page
- Shortcode Support – Use [onecode_login] anywhere
- wp-login.php Integration – Optionally replace the default WordPress login
Security Features
- Cryptographically secure code generation
- Configurable code expiry (default: 10 minutes)
- Resend cooldown to prevent spam
- IP-based and email-based rate limiting
- Automatic lockout after failed attempts
- Codes are single-use and invalidated after successful login
Use Cases
- Membership sites where password fatigue is an issue
- Customer portals requiring simple authentication
- Internal tools where security without complexity is needed
- Any site wanting to improve user experience
Capturas
Admin settings page with all configuration options 
Email input form for passwordless login 
6-digit verification code entry screen
Bloques
Este plugin proporciona 1 bloque.
- OneCode Login
Instalación
- Upload the
onecode-loginfolder to/wp-content/plugins/ - Activate the plugin through the Plugins menu in WordPress
- Go to Settings > OneCode Login to configure options
- Add the login form using the [onecode_login] shortcode or Gutenberg block
Shortcode Options
redirect_to– URL to redirect after successful loginbutton_text– Custom text for the send code buttonverify_text– Custom text for the verify button
Example: [onecode_login redirect_to="/dashboard" button_text="Get Code"]
FAQ
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Does this replace password login completely?
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By default, no. OneCode Login works alongside traditional password login. However, you can enable the «Replace wp-login.php» option to use OneCode Login as the primary login method.
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What happens if the email does not arrive?
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Users can request a new code after the cooldown period (default: 60 seconds). Check your server email configuration if emails consistently fail to deliver.
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Is this secure?
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Yes. The plugin uses cryptographically secure random number generation, time-limited codes, rate limiting, and request binding to prevent various attack vectors.
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Can I customize the email template?
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Yes. Go to Settings > OneCode Login > Email tab to customize the subject and body of verification emails. You can use placeholders like {code}, {expires}, {site_name}, and {user_email}.
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Does it work with multisite?
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The plugin is designed for single-site installations. Multisite compatibility may be added in future versions.
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What if a user does not have an account?
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The plugin only allows existing users to log in. For security reasons, it does not reveal whether an email address has an account – users always see the same «check your email» message.
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Registro de cambios
1.0.0
- Initial release
- Passwordless login with 6-digit verification codes
- Rate limiting and brute force protection
- Customizable email templates
- Gutenberg block and shortcode support
- wp-login.php integration option
- Full accessibility support