説明
Cybernob Turnstile for Cloudflare integrates Cloudflare Turnstile into your WordPress site — the privacy-friendly CAPTCHA that stops bots silently, without making real users solve puzzles.
This plugin is an independent, third-party integration and is not affiliated with or endorsed by Cloudflare, Inc.
Protected locations
- Login form — blocks brute-force and credential-stuffing attacks
- Registration form — prevents automated account creation
- Comment form — stops spam comments without Akismet
- Contact Form 7 — automatically protects every CF7 form on your site
Features
- Live status checker — the settings page shows instantly whether your API keys are valid and reachable
- Invisible mode — widget stays hidden; the form auto-submits once the challenge passes silently
- Three themes — Auto (follows system preference), Light, Dark
- Two appearance modes — Always visible, or show on interaction only
- Clean uninstall — all plugin options are removed on deletion, including multisite support
- Translation ready — all strings wrapped in i18n functions with the correct text domain
- No bundled libraries — only Cloudflare’s own CDN script is used; nothing extra added to your site
Why Turnstile?
Unlike reCAPTCHA, Cloudflare Turnstile does not track users across sites or require Google accounts. It is designed to be GDPR-friendly and invisible to legitimate users by default.
Getting started
- Create a free Cloudflare Turnstile site widget
- Copy your Site Key and Secret Key
- Paste them into Settings Cybernob Turnstile and save
- The live status indicator confirms everything is working
External Services
This plugin connects to Cloudflare’s Turnstile service to display CAPTCHA challenges and verify user responses.
- Service: Cloudflare Turnstile
- When used: When a protected form is loaded (widget script) or submitted (token verification). Only active after the administrator has entered API keys in the plugin settings.
- Data sent: On verification — the Turnstile response token and the visitor’s IP address are sent to Cloudflare’s API endpoint.
- Endpoint: https://challenges.cloudflare.com/turnstile/v0/siteverify
インストール
- Upload the
cybernob-turnstile-for-cloudflarefolder to the/wp-content/plugins/directory, or install directly via Plugins Add New in your WordPress admin. - Activate the plugin through the Plugins screen.
- Go to Settings Cybernob Turnstile.
- Create a free Turnstile widget at dash.cloudflare.com and copy your Site Key and Secret Key.
- Paste both keys into the settings page and click Save Settings.
- The live status indicator will confirm your CAPTCHA is configured and working correctly.
FAQ
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Do I need a Cloudflare account?
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Yes. A free Cloudflare account is required to generate Turnstile API keys. Sign up at cloudflare.com.
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Does this work with Contact Form 7?
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Yes. If Contact Form 7 is installed and active, this plugin automatically injects the Turnstile widget into every CF7 form and validates the token before mail is sent. No changes to your CF7 forms are needed.
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Does this work with WooCommerce?
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WooCommerce integration is not included in the current version. It is planned for a future release.
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Will this slow down my site?
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No. The Cloudflare Turnstile API script is loaded asynchronously and deferred from Cloudflare’s global CDN. It has a negligible effect on page load time.
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Is this GDPR compliant?
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Cloudflare Turnstile is designed to be privacy-preserving. This plugin does not set any cookies itself and only stores your API keys in the WordPress database. Please review Cloudflare’s privacy policy for their full data handling practices.
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The status checker shows “Connection Failed”. How do I fix it?
-
Your server cannot reach
challenges.cloudflare.com. This is typically a firewall or outbound network restriction on your hosting server. Contact your hosting provider and ask them to allow outbound HTTPS connections to Cloudflare’s IP ranges. -
The status checker shows “Invalid Secret Key”. What does that mean?
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The Secret Key you entered was rejected by Cloudflare. Double-check that you have copied the full key correctly from your Turnstile dashboard and that it belongs to the correct site widget.
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Can I use invisible mode?
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Yes. Enable Invisible Mode in the Widget Options section. The widget will be hidden from users and the form will auto-submit once the challenge has passed silently in the background.
評価
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変更履歴
1.2.0
- Added: Live CAPTCHA status checker on the settings page
- Added: Inline error notice for failed comment CAPTCHA (replaces wp_die)
- Added: Full multisite support in uninstall routine
- Added: Contact Form 7 integration with class_exists guard
- Improved: All user-facing strings are now translation-ready with correct text domain
- Improved: Script and style handles namespaced to avoid conflicts (cnbtsl prefix)
- Improved: wp_localize_script used for all JS data — no PHP inside JS strings
- Improved: REMOTE_ADDR sanitized with FILTER_VALIDATE_IP
- Improved: Output escaping hardened (wp_kses_post, wp_strip_all_tags)
- Removed: Test Mode option
- Fixed: Select dropdowns not preserving saved values on reload
- Fixed: Checkboxes not saving when unchecked
- Fixed: Plugin renamed to Cybernob Turnstile for Cloudflare for trademark compliance
- Fixed: All function/class/define/option names updated to 6-character cnbtsl prefix
1.1.1
- Fixed invisible auto-submit mode
- Fixed appearance option not saving correctly
- Improved settings page layout
1.0.0
- Initial release