Custom Captcha Field for Fluent Forms vs Prosopo Procaptcha

Adds a “Custom Captcha” field to the Fluent Forms editor with three challenge types: Image captcha — a 6-character code rendered as an image, with customizable text color and a transparent background by default so it blends with any form design Math captcha — a simple arithmetic question rendered as an image Question and answer — you define the question (field label) and the expected answer Challenges are single-use and expire after 15 minutes. Answers are stored server-side via WordPress transients — nothing is exposed to the browser except the image itself. Visitors get a refresh button to request a new challenge, and the captcha automatically renews after each AJAX submission, so it also works on cached pages. On top of the captcha you get two extra spam defenses: Time-trap (optional, off by default) — submissions completed faster than a human possibly could are rejected via an HMAC-signed timestamp; enable it and set the minimum submit time per field Disposable email blocking (optional, on by default) — rejects submissions where an email field uses a temporary/disposable email domain like mailinator.com or yopmail.com; extend the list with the ffc_captcha_blocked_email_domains filter Everything runs on your own server: no external captcha service, no API keys, no cookies, no visitor data sent anywhere. Requirements Fluent Forms is required. The PHP GD extension is recommended for image rendering (with a plain-text fallback when unavailable). How To Use Activate the plugin Edit a form in Fluent Forms — a new “Custom Captcha” field appears in the editor Drop it into your form and pick the captcha type in the field settings Optionally set the text color, background color (RGB values like “68, 68, 68”, or “transparent”) and error message

Prosopo Procaptcha is a GDPR-compliant, privacy-first CAPTCHA solution, offering seamless bot protection without compromising user data. Key Features of Procaptcha Private & GDPR Friendly – No data storage ensures full compliance with privacy laws. Seamless Integration – A drop-in replacement for reCaptcha and hCaptcha, allowing setup within minutes. Customizable Defense – Easily adjust bot protection settings to meet your site’s specific needs. Affordable – Enjoy a top-value CAPTCHA solution with a generous free tier. Why Use Procaptcha in WordPress? Official WordPress Plugin – Specifically built for WordPress, ensuring secure and reliable integration. Multiple Built-In Integrations – Works seamlessly with core WordPress forms and popular form plugins. Supported list provided below. Multilingual – Completely translated into German (DE), Spanish (ES), French (FR), Italian (IT), and Portuguese (PT). Documentation – Plugin documentation is available to help you get the most out of the plugin. Third-Party Service Notice For proper functionality, the plugin loads the Prosopo Procaptcha JavaScript on your chosen forms to display the CAPTCHA on the client side. Upon form submission, the plugin communicates with the Prosopo Procaptcha API server-side to verify the CAPTCHA response. Please review the Prosopo Privacy Policy and Terms and Conditions to fully understand data handling practices. Supported forms Form Plugins: Contact Form 7 – Add the [prosopo_procaptcha] field to your form. Everest Forms – Add the Prosopo Procaptcha field to your form (the Advanced Fields group). Fluent Forms – Add the Prosopo Procaptcha field to your form (the Advanced Fields group). Formidable Forms – Add the Prosopo Procaptcha field to your form. Gravity Forms – Add the Prosopo Procaptcha field to your form (the Advanced Fields group). Ninja Forms – Add the Prosopo Procaptcha field to your form (the Miscellaneous group). JetFormBuilder – Open the form settings and pick Prosopo Procaptcha as the Captcha Provider. User Registration – Add the Prosopo Procaptcha field to your form (the Extra Fields group). WP Forms – Add the Prosopo Procaptcha field to your form (the Standard Fields group). WordPress Core Forms: Login Registration Lost Password Comments Post/Page password protection Visit the plugin settings to enable protection for these forms. Account Plugins: The Procaptcha plugin is officially compatible with the following plugins, that extend the WordPress account features: Security: 1. All-In-One Security (Hide backend feature) 2. LWS Hide Login (Hide backend feature) 3. Login With Ajax (AJAXify Login Forms feature) 4. Security Optimizer (Hide backend feature) 5. Solid Security (Hide backend feature) 6. WPS Hide Login Branding: 1. Branda White Labeling 2. Custom Login 3. Login Customizer 4. Login Designer 5. Login Page Customizer by Colorlib 6. Loginpress 7. Theme My Login 8. Ultimate Dashboard 9. White label 10. YITH Custom Login Account-related: 1. Simple Membership 2. User Registration 3. Memberpress – Login, Reset password: via Procaptcha plugin settings -> Core forms. Membership register – via on-membership settings 4. LearnDash LMS – Registration form: enabled automatically. Login, Reset password: via Procaptcha plugin settings -> Core forms Themes: 1. Blocksy – Account modal (Login, Register, Lost password): via Procaptcha plugin settings -> Core forms 2. Astra and Zakra – Account forms: via Procaptcha plugin settings -> Core forms While only the items above are tested, overall, the Procaptcha plugin supports all the plugins and themes with custom account forms that use the native WordPress account hooks. Other Integrations: BBPress – Account forms from the shortcodes; Forum forms: Open the target forum settings to enable topic and reply forms protection. Elementor Pro – Form widgets: use the Prosopo Procaptcha field. Login widgets: use the Prosopo Procaptcha checkbox in the Form Fields tab (Login must be enabled in the Procaptcha plugin settings->Core forms). JetPack (Forms) – Gutenberg form block: Add the Group block with the prosopo_procaptcha shortcode inside the target form block. WooCommerce – My Account forms; Classic Checkout, Blocks Checkout, Order Tracking forms: enable protection in the WooCommerce tab of the plugin settings. Spectra – Form block: add hidden input with the prosopo_procaptcha name Beaver Builder – Contact, Subscribe forms: enabled protection in the target form settings; Login form: Procaptcha plugin settings->Core forms. Divi – Contact Form module: enable the built-in Use Basic Captcha option of the target module, and Procaptcha replaces the Divi arithmetic captcha; Login module: Procaptcha plugin settings->Core forms. Bricks (2.0+) – Form element: add a Hidden field with the prosopo_procaptcha label. Blocksy – Newsletter subscribe block and shortcode: enabled automatically. Built-In Integrations: Some of the plugins have Procaptcha support in its core, so you don’t need this plugin to use Procaptcha with them: Mailchimp for WordPress Site reviews More integrations coming soon!