Title: RMGCaptcha Math Guard – Math CAPTCHA for Login and WooCommerce
Author: Ridhwan Ahsan
Published: <strong>2026 年 3 月 12 日</strong>
Last modified: 2026 年 5 月 10 日

---

搜索插件

![](https://ps.w.org/rmgcaptcha-math-guard/assets/banner-772x250.png?rev=3512161)

**该插件尚未通过WordPress的最新3个主要版本进行测试**。 当与较新版本的WordPress一起
使用时，可能不再受到维护或支持，并且可能会存在兼容性问题。

![](https://ps.w.org/rmgcaptcha-math-guard/assets/icon-256x256.png?rev=3481424)

# RMGCaptcha Math Guard – Math CAPTCHA for Login and WooCommerce

 作者：[Ridhwan Ahsan](https://profiles.wordpress.org/ridhwanahsann/)

[下载](https://downloads.wordpress.org/plugin/rmgcaptcha-math-guard.1.1.2.zip)

 * [详情](https://cn.wordpress.org/plugins/rmgcaptcha-math-guard/#description)
 * [评价](https://cn.wordpress.org/plugins/rmgcaptcha-math-guard/#reviews)
 *  [安装](https://cn.wordpress.org/plugins/rmgcaptcha-math-guard/#installation)
 * [开发进展](https://cn.wordpress.org/plugins/rmgcaptcha-math-guard/#developers)

 [支持](https://wordpress.org/support/plugin/rmgcaptcha-math-guard/)

## 描述

RMGCaptcha Math Guard adds a GDPR-friendly, math-based CAPTCHA to protect WordPress
login, WooCommerce, and Contact Form 7 forms from spam, fake registrations, and 
brute-force attacks. No external services, no tracking, and fully WordPress.org 
compliant.

Features:

 * WordPress login protection (captcha on wp-login.php)
 * Contact Form 7 integration via [pmcMathcaptcha] / [pmcMathcaptcha*]
 * WooCommerce login and registration protection
 * Lightweight spam protection without Google reCAPTCHA or third-party tracking
 * Configurable difficulty and operations (Addition/Subtraction/Multiplication/Random)
 * Hide captcha for logged-in users
 * Custom error message support
 * Optional rate limiting and honeypot
 * Failed login log + logged user list (admin pages)
 * Translation-ready

## 安装

 1. Upload the `rmgcaptcha-math-guard` folder to the `/wp-content/plugins/` directory.
 2. Activate the plugin through the ‘Plugins’ menu in WordPress.
 3. Go to Settings > RMGCaptcha Math Guard to configure.

## 常见问题

### How do I add it to Contact Form 7?

Use the form tag `[pmcMathcaptcha]` or `[pmcMathcaptcha*]` in your CF7 form.

### Does it work for logged-in users?

You can hide CAPTCHA for logged-in users via the settings page.

### Does it keep logs?

Yes. It provides separate admin pages for Logged User List and Failed Login Log 
with a clear button for each list.

## 评价

此插件暂无评价。

## 贡献者及开发者

「RMGCaptcha Math Guard – Math CAPTCHA for Login and WooCommerce」是开源软件。 以下
人员对此插件做出了贡献。

贡献者

 *   [ Ridhwan Ahsan ](https://profiles.wordpress.org/ridhwanahsann/)

[帮助将「RMGCaptcha Math Guard – Math CAPTCHA for Login and WooCommerce」翻译成简体中文。](https://translate.wordpress.org/projects/wp-plugins/rmgcaptcha-math-guard)

### 对开发感兴趣吗?

您可以[浏览代码](https://plugins.trac.wordpress.org/browser/rmgcaptcha-math-guard/)，
查看[SVN仓库](https://plugins.svn.wordpress.org/rmgcaptcha-math-guard/)，或通过[RSS](https://plugins.trac.wordpress.org/log/rmgcaptcha-math-guard/?limit=100&mode=stop_on_copy&format=rss)
订阅[开发日志](https://plugins.trac.wordpress.org/log/rmgcaptcha-math-guard/)。

## 更新日志

#### 1.1.2

 * Fix potential security issues and general code cleanup
 * Enhance compatibility with the latest WordPress version
 * Minor UI/UX improvements in admin settings
 * Improve plugin initialization stability

#### 1.1.1

 * Add automatic version upgrade routine to safely merge settings for existing installs
 * Fix subtraction questions so answers stay user-friendly and validation remains
   consistent
 * Fix multiplication symbol rendering in generated math questions
 * Add a quick Settings link on the Plugins screen

#### 1.0.1

 * Rename plugin to “RMGCaptcha Math Guard”
 * Add rmgc_ prefix across classes, functions, option and transient keys
 * Update text domain to `rmgcaptcha-math-guard`
 * Update admin menu titles and slugs
 * Replace translation template with languages/rmgcaptcha-math-guard.pot
 * Update readme metadata and wording
 * Keep existing nonces/CF7 tags for backward compatibility

#### 1.0.0

 * Initial release.

## 额外信息

 *  版本 **1.1.2**
 *  最后更新：**1 月前**
 *  活跃安装数量 **不到10**
 *  WordPress 版本 ** 5.5 或更高版本 **
 *  已测试的最高版本为 **6.7.5**
 *  PHP 版本 ** 7.4 或更高版本 **
 *  语言
 * [English (US)](https://wordpress.org/plugins/rmgcaptcha-math-guard/)
 * 标签
 * [captcha](https://cn.wordpress.org/plugins/tags/captcha/)[login security](https://cn.wordpress.org/plugins/tags/login-security/)
   [math captcha](https://cn.wordpress.org/plugins/tags/math-captcha/)[spam protection](https://cn.wordpress.org/plugins/tags/spam-protection/)
   [woocommerce](https://cn.wordpress.org/plugins/tags/woocommerce/)
 *  [高级视图](https://cn.wordpress.org/plugins/rmgcaptcha-math-guard/advanced/)

## 评级

尚未提交反馈。

[Your review](https://wordpress.org/support/plugin/rmgcaptcha-math-guard/reviews/#new-post)

[查看全部评论](https://wordpress.org/support/plugin/rmgcaptcha-math-guard/reviews/)

## 贡献者

 *   [ Ridhwan Ahsan ](https://profiles.wordpress.org/ridhwanahsann/)

## 支持

有话要说吗？是否需要帮助？

 [查看支持论坛](https://wordpress.org/support/plugin/rmgcaptcha-math-guard/)