R.Sabbir

<p>Stop contact form spam instantly with <strong>BotShield CAPTCHA for Contact Form 7</strong>. This all-in-one spam protection plugin integrates <strong>Google reCAPTCHA (v2 Checkbox & v3 Invisible)</strong>, <strong>Cloudflare Turnstile</strong> (Privacy-Focused), and lightweight <strong>Built-in Arithmetic/Image Challenges</strong> to block bots while letting real users pass.</p>
<p>Whether you need strict security or a friction-free user experience, BotShield gives you complete control over your specific form protection needs. No more spam submissions, fake leads, or automated bot attacks.</p>
<p><strong>Protect Your WooCommerce Store with Enterprise-Grade Security.</strong> Upgrade to <strong><a href="https://woocommerce.com/products/securegate-captcha/" rel="nofollow ugc">SecureGate CAPTCHA</a></strong> for ultimate full-site protection. Instantly block spam, fake registrations, and checkout fraud using intelligent Cloudflare Turnstile, Google reCAPTCHA, hCaptcha, and powerful Geo-Blocking rules—keeping your store fast, secure, and entirely bot-free.</p>
<h4>Key Features & Benefits</h4>
<ul>
<li><strong>Multi-Provider Support</strong>: Choose between Google reCAPTCHA, Cloudflare Turnstile, or Self-hosted challenges.</li>
<li><strong>Google reCAPTCHA Integration</strong>: Supports both <strong>v2 (“I’m not a robot”)</strong> and <strong>v3 (Invisible)</strong> keys.</li>
<li><strong>Cloudflare Turnstile</strong>: The modern, privacy-friendly alternative that stops bots without annoying puzzles.</li>
<li><strong>Lightweight Built-in Protection</strong>: Use simple Math or Image CAPTCHAs without needing any external API keys.</li>
<li><strong>Seamless Contact Form 7 Integration</strong>: Adds a dedicated “BotShield” tag generator button directly to the CF7 editor.</li>
<li><strong>Mobile Optimized</strong>: Fully responsive challenges that work perfectly on smartphones and tablets.</li>
<li><strong>GDPR Compliant Options</strong>: Turnstile and Built-in modes offer excellent privacy compliance.</li>
<li><strong>Accessibility Ready</strong>: WCAG 2.1 compliant designs for screen reader support.</li>
</ul>
<h4>Flexible Protection Options</h4>
<p><strong>1. Google reCAPTCHA (The Industry Standard)</strong><br />
*   <strong>v2 Checkbox</strong>: The classic “I’m not a robot” checkbox users trust.<br />
*   <strong>v3 Invisible</strong>: valid users are verified in the background with zero interaction.</p>
<p><strong>2. Cloudflare Turnstile (Privacy-First)</strong><br />
*   Verify visitors without solving complex puzzles. Smart, fast, and respectful of user privacy.</p>
<p><strong>3. Built-in Challenges (No Keys Required)</strong><br />
*   <strong>Arithmetic</strong>: Simple math questions (e.g., 7 + 2 = ?) effective against basic bots.<br />
*   <strong>Alphanumeric</strong>: Distorted text images for traditional verification.<br />
*   <em>Zero external dependency, 100% self-hosted.</em></p>
<h4>Perfect For</h4>
<ul>
<li>Contact forms</li>
<li>Registration forms</li>
<li>Quote request forms</li>
<li>Newsletter signups</li>
<li>Any Contact Form 7 form needing spam protection</li>
</ul>
<h4>Requirements</h4>
<ul>
<li>WordPress 5.0 or higher</li>
<li>Contact Form 7 plugin (must be active)</li>
<li>PHP 7.4 or higher</li>
<li>GD PHP extension for image CAPTCHAs</li>
</ul>
<h3>Privacy Policy</h3>
<p>BotShield CAPTCHA does not:<br />
* Collect any personal data<br />
* Store user information<br />
* Transmit data to external servers<br />
* Use cookies or tracking<br />
* Share information with third parties</p>
<p>All CAPTCHA processing happens locally on your WordPress server. The plugin is fully GDPR compliant.</p>
<h3>Support & Documentation</h3>
<ul>
<li>Support Forum: https://wordpress.org/support/plugin/botshield-captcha/</li>
<li>Developer Website: https://www.rsabbir.com/</li>
</ul>
<h3>Contributing</h3>
<p>Contributions are welcome! Contact the developer or visit the GitHub repository to contribute to this plugin’s development.</p>
<h3>Credits</h3>
<ul>
<li>Developed by R. Sabbir (https://www.rsabbir.com/)</li>
<li>Tested with Contact Form 7 6.1.4 and later</li>
</ul>
<h3>Technical Specifications</h3>
<h4>Server Requirements</h4>
<ul>
<li>WordPress 5.0 or higher</li>
<li>PHP 7.4 or higher</li>
<li>Contact Form 7 plugin (active)</li>
<li>GD PHP extension (for image CAPTCHAs)</li>
</ul>
<h4>Browser Support</h4>
<ul>
<li>Chrome (latest versions)</li>
<li>Firefox (latest versions)</li>
<li>Safari (latest versions)</li>
<li>Microsoft Edge (latest versions)</li>
<li>Mobile browsers (iOS Safari, Chrome Mobile)</li>
</ul>
<h4>Security Features</h4>
<ul>
<li>Token-based validation system</li>
<li>HMAC-SHA256 signature verification</li>
<li>Automatic token expiration (5 minutes)</li>
<li>XSS protection</li>
<li>CSRF token protection</li>
<li>No session storage required</li>
</ul>
<h4>Performance</h4>
<ul>
<li>Code: ~50KB total size</li>
<li>Assets: Minified and optimized</li>
<li>Loading: Conditional asset loading on relevant pages</li>
<li>HTTP Requests: Zero external requests</li>
<li>Caching: Compatible with all major WordPress cache plugins</li>
</ul>


BotShield CAPTCHA for Contact Form 7


shows warning here after installation. 



Warning: Undefined array key "answer" in C:\xampp\htdocs\mc2\wp-content\plugins\botshield-captcha\includes\class-botshield-captcha-field.php on line 298



Warning: Undefined array key "hash" in C:\xampp\htdocs\mc2\wp-content\plugins\botshield-captcha\includes\class-botshield-captcha-field.php on line 299






quality code not added

BotShield CAPTCHA for Contact Form 7 – Advanced Spam Protection with Turnstile, reCAPTCHA, Arithmetic, and Alphanumeric.

Ruhul

mra13 / Team Tips and Tricks HQ

<p>Bot Protection with Turnstile lets you drop-in Cloudflare’s privacy-focused, no-CAPTCHA challenge on the most common attack surfaces of a WordPress site:</p>
<ul>
<li><strong>Core WordPress forms</strong> – Login, registration, password reset, and comment forms.</li>
<li><strong>WooCommerce</strong> – Protect checkout, login, registration, and password reset forms.</li>
<li><strong>bbPress</strong> – Secure forum registration, login, and topic creation forms.</li>
<li><strong>Contact Form 7</strong> – Add Turnstile to your CF7 forms to block spam submissions.</li>
<li><strong>Accept Stripe Payments</strong> – Protect checkout and payment pop-up forms.</li>
<li><strong>Simple Download Monitor</strong> – Secure download buttons and squeeze forms.</li>
<li><strong>Simple Shopping Cart</strong> – Add Turnstile to your shopping cart plugin’s manual checkout forms.</li>
<li><strong>WP Express Checkout</strong> – Protect checkout 100% discount checkout forms with Turnstile.</li>
<li><strong>WP eMember</strong> – Secure registration, login and password reset forms with Turnstile.</li>
</ul>
<p>Just add your Turnstile <em>Site Key</em> and <em>Secret Key</em>, choose the forms you want to protect, and you’re done. No more subjecting your users to image puzzles or accessibility headaches.</p>
<p>Turnstile can generate multiple types of non-intrusive challenges to verify users are human, all without showing visitors a puzzle.</p>
<h3>Highlights</h3>
<ul>
<li>Zero-friction, user-friendly bot protection.</li>
<li>A free reCAPTCHA alternative for WordPress.</li>
<li>Works even when visitors are behind ad-blockers or privacy extensions.</li>
<li>Granular toggles to enable/disable on individual forms.</li>
<li>Debug logging feature.</li>
<li>Fully translatable and developer-friendly with action/filter hooks.</li>
<li>Road-map for upcoming integrations with other popular plugins.</li>
</ul>
<h3>Getting Started</h3>
<p>It’s quick and easy to get started with the Bot Protection plugin.</p>
<ul>
<li>Generate a Site Key and Secret Key in your Cloudflare account, then enter them in the plugin’s settings page.</li>
<li>Choose which forms you want to protect with Turnstile and click Save.</li>
<li>Turnstile challenges will automatically appear on the selected forms to to block bots and spam.</li>
</ul>
<p>For more detailed instructions, please see our <a href="https://www.tipsandtricks-hq.com/bot-protection-with-turnstile-plugin" rel="nofollow ugc">setup guide</a>.</p>
<h3>External Services</h3>
<p>This plugin integrates with the Cloudflare Turnstile CAPTCHA service to help protect WordPress forms from spam and automated abuse.</p>
<p>When a protected form (such as login, registration, or comment) is displayed, the plugin connects to Cloudflare Turnstile to generate a CAPTCHA challenge. When the form is submitted, Turnstile receives the user’s IP address and browser metadata to verify whether the submission is from a human or bot.</p>
<p>This service is provided by Cloudflare, Inc.:<br />
– Terms of Service: https://www.cloudflare.com/terms/<br />
– Privacy Policy: https://www.cloudflare.com/privacypolicy/</p>


Bot Protection with Turnstile

A lightweight plugin that protects core WordPress forms and selected third‑party plugins from spam and bot attacks using Cloudflare Turnstile CAPTCHA.

BotShield CAPTCHA for Contact Form 7 vs Bot Protection with Turnstile