Empex CAPTCHA for Cloudflare Turnstile is a WordPress plugin designed to provide invisible bot protection across all forms on a WordPress site. By integrating Cloudflare’s Turnstile challenge, it addresses issues like spam and credential-stuffing attacks without introducing user friction or visible challenges. The plugin operates in the background, verifying form submissions through browser behavior analysis and blocking bots server-side, ensuring that legitimate users are unaffected and never encounter puzzles or distorted text boxes.
The tool offers several features aimed at both ease of use and comprehensive coverage. Setup is streamlined, requiring only the entry of Cloudflare Turnstile keys and toggling protection for desired forms. It supports over 25 form plugins, including WordPress core forms (login, registration, password reset, comments), WooCommerce (classic and blocks checkout, my account), Contact Form 7, WPForms, Gravity Forms, Elementor Pro, Fluent Forms, Formidable Forms, MemberPress, BuddyPress, Easy Digital Downloads, and others. It enforces one-time use tokens to prevent replay attacks and is compatible with AJAX-powered and multi-step forms by automatically refreshing tokens after failed submissions. A logging dashboard within wp-admin allows site administrators to review blocked attempts, pass rates, and per-form statistics. The plugin also includes a soft-fail mode, permitting form submissions if Cloudflare is unreachable, and supports both network-wide and per-site activation in multisite WordPress installations. For developers, it provides action hooks, filters, a shortcode, and a base class for extending to custom forms.
4 or later, and a free Cloudflare account to obtain Turnstile API keys. The plugin itself does not collect personal data by default, with IP address logging available as an opt-in setting. Cloudflare Turnstile processes browser interaction data in accordance with Cloudflare’s Privacy Policy and is documented as GDPR-compliant by Cloudflare. The plugin is licensed under GPL v2 or later and is available for free installation from the WordPress Plugin Directory.
In the Security & compliance platforms space, Empex CAPTCHA for Cloudflare Turnstile takes a focused approach. It focuses on protecting WordPress forms from bots without user friction or intrusive CAPTCHAs. Empex CAPTCHA for Cloudflare Turnstile is a B2B product aimed at wordPress site owners. The product is available for free. The product ships for the web and embeddable surfaces.
empexdigital builds and maintains Empex CAPTCHA for Cloudflare Turnstile, and the product first shipped in 2026. Across PulseGate's embedding index, Empex CAPTCHA for Cloudflare Turnstile has few near neighbours, marking it as relatively distinct. Among its 10 catalogued features are Invisible CAPTCHA, form protection, and Cloudflare Turnstile integration. The interface is available in English and Chinese.
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