Math Captcha for Contact Form 7

外掛說明

Math Captcha for Contact Form 7 is the ultimate lightweight security solution for your WordPress site. Stop spam submissions and bot registrations instantly without using heavy scripts like Google reCAPTCHA.

This plugin is no longer just for Contact Form 7! It has evolved into a complete security suite that protects your most critical forms, including WordPress Login, WooCommerce, and Tutor LMS.

🛡️ Key Features

  • Smart Math Logic: Choose from Addition (+), Subtraction (-), Multiplication (×), or Mixed (Random) challenges.
  • Dynamic Difficulty: Set difficulty levels (Easy, Medium, Hard) to balance security and user experience.
  • Smart IP Blocking: Automatically lock out IP addresses after too many failed attempts to prevent brute-force attacks.
  • WP Login Protection: Secure your default WordPress Admin Login page.
  • WooCommerce Integration: Protect WooCommerce Login and Registration forms from fake customer accounts.
  • Tutor LMS Support: ideal for course sites! Stop spam student registrations and logins.
  • User Experience: Option to hide captcha for logged-in users (Admins/Members).
  • Customizable Messages: Change the error message to match your site’s tone.
  • Lightweight & Fast: No external API calls, tracking scripts, or cookies. 100% GDPR compliant.

螢幕擷圖

安裝方式

  1. Upload the plugin files to the /wp-content/plugins/math-captcha-for-contact-form-7 directory, or install the plugin through the WordPress plugins screen directly.
  2. Activate the plugin through the ‘Plugins’ screen in WordPress.
  3. Go to Settings -> Math Captcha to configure your options.
  4. For Contact Form 7: Add the tag [mathcaptcha] inside your Contact Form 7 form template.
  5. For Other Forms: Simply enable the toggle in the settings; no shortcodes needed!

常見問題集

How do I add it to Contact Form 7?

Just add the shortcode [mathcaptcha] to your form template.

Does it work with WooCommerce?

Yes! Go to Settings -> Math Captcha and enable “WooCommerce Login” or “WooCommerce Register”.

Can I block persistent bots?

Yes. The “Smart IP Blocking” feature allows you to set a maximum number of failed attempts before an IP is temporarily banned.

使用者評論

2025 年 10 月 12 日 1 則留言
Installed and configured in under 5 minutes. Spam dropped to zero. The refresh captcha feature is a nice touch. Definitely worth it!
閱讀全部 3 則使用者評論

參與者及開發者

以下人員參與了開源軟體〈Math Captcha for Contact Form 7〉的開發相關工作。

參與者

變更記錄

1.0.5

  • Major verification update.
  • Added Smart IP Blocking (Security Lockout).
  • Added WordPress Login Page Protection.
  • Added WooCommerce Login & Registration Protection.
  • Added Tutor LMS Login & Registration Protection.
  • Added Math Operator types (+, -, x, Mixed).
  • Added “Hide for Logged-in Users” option.
  • New modern Settings Dashboard.

1.0.4

  • Initial release.