Title: BotShield CAPTCHA for Contact Form 7 Author: R.Sabbir Published: نوامبر 22, 2025 Last modified: ژانویه 19, 2026 --- Search plugins ![](https://ps.w.org/botshield-captcha/assets/banner-772x250.jpg?rev=3442963) ![](https://ps.w.org/botshield-captcha/assets/icon-256x256.png?rev=3442804) # BotShield CAPTCHA for Contact Form 7 By [R.Sabbir](https://profiles.wordpress.org/sabbir37/) [Download](https://downloads.wordpress.org/plugin/botshield-captcha.2.0.0.zip) * [Details](https://azb.wordpress.org/plugins/botshield-captcha/#description) * [Reviews](https://azb.wordpress.org/plugins/botshield-captcha/#reviews) * [Installation](https://azb.wordpress.org/plugins/botshield-captcha/#installation) * [Development](https://azb.wordpress.org/plugins/botshield-captcha/#developers) [Support](https://wordpress.org/support/plugin/botshield-captcha/) ## Description Stop contact form spam instantly with **BotShield CAPTCHA for Contact Form 7**. This all-in-one spam protection plugin integrates **Google reCAPTCHA (v2 Checkbox& v3 Invisible)**, **Cloudflare Turnstile** (Privacy-Focused), and lightweight **Built- in Arithmetic/Image Challenges** to block bots while letting real users pass. 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. Protect Your Store with **Enterprise-grade CAPTCHA & Security**. [SecureGate CAPTCHA](https://woocommerce.com/products/securegate-captcha/) provides full-site protection, blocking bots, spam, and fraud using Cloudflare Turnstile, Google reCAPTCHA, hCaptcha, and Geo-Blocking — keeping your store fast, secure, and bot-free. #### Key Features & Benefits * **Multi-Provider Support**: Choose between Google reCAPTCHA, Cloudflare Turnstile, or Self-hosted challenges. * **Google reCAPTCHA Integration**: Supports both **v2 (“I’m not a robot”)** and** v3 (Invisible)** keys. * **Cloudflare Turnstile**: The modern, privacy-friendly alternative that stops bots without annoying puzzles. * **Lightweight Built-in Protection**: Use simple Math or Image CAPTCHAs without needing any external API keys. * **Seamless Contact Form 7 Integration**: Adds a dedicated “BotShield” tag generator button directly to the CF7 editor. * **Mobile Optimized**: Fully responsive challenges that work perfectly on smartphones and tablets. * **GDPR Compliant Options**: Turnstile and Built-in modes offer excellent privacy compliance. * **Accessibility Ready**: WCAG 2.1 compliant designs for screen reader support. #### Flexible Protection Options **1. Google reCAPTCHA (The Industry Standard)** * **v2 Checkbox**: The classic “ I’m not a robot” checkbox users trust. * **v3 Invisible**: valid users are verified in the background with zero interaction. **2. Cloudflare Turnstile (Privacy-First)** * Verify visitors without solving complex puzzles. Smart, fast, and respectful of user privacy. **3. Built-in Challenges (No Keys Required)** * **Arithmetic**: Simple math questions( e.g., 7 + 2 = ?) effective against basic bots. * **Alphanumeric**: Distorted text images for traditional verification. * _Zero external dependency, 100% self-hosted._ #### Perfect For * Contact forms * Registration forms * Quote request forms * Newsletter signups * Any Contact Form 7 form needing spam protection #### Requirements * WordPress 5.0 or higher * Contact Form 7 plugin (must be active) * PHP 7.4 or higher * GD PHP extension for image CAPTCHAs ### Privacy Policy BotShield CAPTCHA does not: * Collect any personal data * Store user information* Transmit data to external servers * Use cookies or tracking * Share information with third parties All CAPTCHA processing happens locally on your WordPress server. The plugin is fully GDPR compliant. ### Support & Documentation * Support Forum: https://wordpress.org/support/plugin/botshield-captcha/ * Developer Website: https://www.rsabbir.com/ ### Contributing Contributions are welcome! Contact the developer or visit the GitHub repository to contribute to this plugin’s development. ### Credits * Developed by R. Sabbir (https://www.rsabbir.com/) * Tested with Contact Form 7 6.1.4 and later ### Technical Specifications #### Server Requirements * WordPress 5.0 or higher * PHP 7.4 or higher * Contact Form 7 plugin (active) * GD PHP extension (for image CAPTCHAs) #### Browser Support * Chrome (latest versions) * Firefox (latest versions) * Safari (latest versions) * Microsoft Edge (latest versions) * Mobile browsers (iOS Safari, Chrome Mobile) #### Security Features * Token-based validation system * HMAC-SHA256 signature verification * Automatic token expiration (5 minutes) * XSS protection * CSRF token protection * No session storage required #### Performance * Code: ~50KB total size * Assets: Minified and optimized * Loading: Conditional asset loading on relevant pages * HTTP Requests: Zero external requests * Caching: Compatible with all major WordPress cache plugins ## Screenshots * [[ * Contact Form 7 tag generator interface for easy CAPTCHA shortcode creation * [[ * General Settings – CAPTCHA Type selection * [[ * Integration Settings – Provider Configuration * [[ * Cloudflare Turnstile CAPTCHA on contact form * [[ * Google reCAPTCHA on contact form * [[ * Arithmetic CAPTCHA displaying a math challenge on the contact form * [[ * Alphanumeric image CAPTCHA showing distorted text characters for security ## Installation #### Step 1: Install & Activate 1. Go to your WordPress Dashboard > **Plugins** > **Add New**. 2. Search for **“BotShield CAPTCHA”**. 3. Click **Install Now** and then **Activate**. #### Step 2: Configure Provider (Global Settings) 1. Navigate to **Contact > BotShield CAPTCHA**. 2. **Select your Default CAPTCHA Type**: 3. * _Google reCAPTCHA_ * _Cloudflare Turnstile_ * _Arithmetic / Alphanumeric (Built-in)_ 4. **For reCAPTCHA/Turnstile Users**: 5. * Switch to the **“Integration Settings”** tab. * Enter your **Site Key** and **Secret Key** (links provided in the admin panel to get these for free). * Click **Save Settings**. #### Step 3: Add to Your Form 1. Go to **Contact > Contact Forms** and edit your desired form. 2. Click the **“BotShield”** button in the CF7 tag generator toolbar (usually above the message body text area). 3. **Select Interaction Type**: A popup will appear. You can use your “Global Default” or override it with a specific type (e.g., force “Turnstile” on this specific form). 4. Click **Insert Tag**. 5. **CRITICAL**: Ensure the generated shortcode (e.g., `[captcha* captcha-answer]`) is placed **ABOVE** your `[submit]` button. 6. Save the form. #### Step 4: Verify Visit your page with the contact form. You should now see the CAPTCHA of choice protecting your submission! ## FAQ ### Do I need API keys? * **For Built-in CAPTCHAs**: No, these work out of the box. * **For Google reCAPTCHA**: Yes, you need a free Site Key and Secret Key from the [Google reCAPTCHA Admin Console](https://www.google.com/recaptcha/admin). * **For Cloudflare Turnstile**: Yes, you need a free Site Key and Secret Key from the [Cloudflare Dashboard](https://dash.cloudflare.com/). ### Which CAPTCHA should I choose? * **reCAPTCHA v3** or **Cloudflare Turnstile** are best for user experience (invisible/ frictionless). * **reCAPTCHA v2** is best if you want users to explicitly proving they are human. * **Built-in** is best for strict privacy requirements or local-only environments. ### Is BotShield CAPTCHA GDPR compliant? Yes. * **Built-in Challenges**: 100% compliant, no data leaves your server. * ** Cloudflare Turnstile**: Privacy-focused and generally considered GDPR compliant.*** Google reCAPTCHA**: Subject to Google’s privacy policy and terms. ### Does this plugin slow down my site? No. Assets (CSS/JS) are conditionally loaded only on pages where a Contact Form 7 form is present. We prioritize performance and lightweight code. ### Can I use multiple CAPTCHAs per page? Yes! Each Contact Form 7 form can have its own independent CAPTCHA configuration. ### does it work on mobile devices? Absolutely! The CAPTCHA is fully responsive and works perfectly on all devices including smartphones and tablets. ### Is it accessible for people with disabilities? Yes! The plugin includes proper ARIA labels, keyboard navigation, and screen reader compatibility following WCAG 2.1 guidelines. ### Can I customize the appearance? Yes! Choose from three built-in themes (Default, Minimal, Modern) or add custom CSS for further customization. ### What is the BotShield CAPTCHA shortcode? The required shortcode is `[captcha* captcha-answer]`. This tag ensures that the user completes the CAPTCHA before submitting the form. ### Can I use the shortcode for Google reCAPTCHA or Turnstile? Yes! The same `[captcha* captcha-answer]` shortcode works for all types. The plugin automatically renders the correct challenge (reCAPTCHA, Turnstile, or Built-in) based on your settings. ### How do I make the shortcode optional? To make the CAPTCHA optional (not recommended), use the tag without the asterisk:`[ captcha captcha-answer]`. ## Reviews ![](https://secure.gravatar.com/avatar/036d38840badae9e687c0acb8990bf2592217f17c45209f57023f1205e56e882? s=60&d=retro&r=g) ### 󠀁[quality code not added](https://wordpress.org/support/topic/quality-code-not-added/)󠁿 [SHIMANTA DAS](https://profiles.wordpress.org/microcodes/) ژانویه 4, 2026 2 replies 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 [ Read all 1 review ](https://wordpress.org/support/plugin/botshield-captcha/reviews/) ## Contributors & Developers “BotShield CAPTCHA for Contact Form 7” is open source software. The following people have contributed to this plugin. Contributors * [ R.Sabbir ](https://profiles.wordpress.org/sabbir37/) [Translate “BotShield CAPTCHA for Contact Form 7” into your language.](https://translate.wordpress.org/projects/wp-plugins/botshield-captcha) ### Interested in development? [Browse the code](https://plugins.trac.wordpress.org/browser/botshield-captcha/), check out the [SVN repository](https://plugins.svn.wordpress.org/botshield-captcha/), or subscribe to the [development log](https://plugins.trac.wordpress.org/log/botshield-captcha/) by [RSS](https://plugins.trac.wordpress.org/log/botshield-captcha/?limit=100&mode=stop_on_copy&format=rss). ## Changelog #### 2.0.0 – January 20, 2026 * **New**: Added support for Google reCAPTCHA (v2 Checkbox & v3 Invisible). * **New**: Added support for Cloudflare Turnstile (Privacy-focused). * **New**: Completely redesigned Admin Dashboard with modern tabbed interface. * **Improved**: General UI/UX polish for better administrative experience. #### 1.0.1 – December 8, 2025 * **Improved**: Enhanced plugin security and validation protocols. * **Improved**: General stability improvements and other minor fixes. #### 1.0.0 – November 21, 2025 * Initial plugin release. * Arithmetic CAPTCHA with math problems. * Alphanumeric image CAPTCHA with distorted text. * Three difficulty levels (Easy, Medium, Hard). * No API keys required for built-in types. ## Meta * Version **2.0.0** * Last updated **2 آی‌لار ago** * Active installations **20+** * WordPress version ** 5.0 or higher ** * Tested up to **6.9.4** * PHP version ** 7.4 or higher ** * Language * [English (US)](https://wordpress.org/plugins/botshield-captcha/) * Tags * [captcha](https://azb.wordpress.org/plugins/tags/captcha/)[contact form 7](https://azb.wordpress.org/plugins/tags/contact-form-7/) [recaptcha](https://azb.wordpress.org/plugins/tags/recaptcha/)[spam protection](https://azb.wordpress.org/plugins/tags/spam-protection/) [turnstile](https://azb.wordpress.org/plugins/tags/turnstile/) * [Advanced View](https://azb.wordpress.org/plugins/botshield-captcha/advanced/) ## Ratings 5 out of 5 stars. * [ 1 5-star review ](https://wordpress.org/support/plugin/botshield-captcha/reviews/?filter=5) * [ 0 4-star reviews ](https://wordpress.org/support/plugin/botshield-captcha/reviews/?filter=4) * [ 0 3-star reviews ](https://wordpress.org/support/plugin/botshield-captcha/reviews/?filter=3) * [ 0 2-star reviews ](https://wordpress.org/support/plugin/botshield-captcha/reviews/?filter=2) * [ 0 1-star reviews ](https://wordpress.org/support/plugin/botshield-captcha/reviews/?filter=1) [Add my review](https://wordpress.org/support/plugin/botshield-captcha/reviews/#new-post) [See all reviews](https://wordpress.org/support/plugin/botshield-captcha/reviews/) ## Contributors * [ R.Sabbir ](https://profiles.wordpress.org/sabbir37/) ## Support Got something to say? Need help? [View support forum](https://wordpress.org/support/plugin/botshield-captcha/)