Title: DS CF7 Math Captcha Author: Dotsquares Published: 2021年11月8日 Last modified: 2026年6月24日 --- プラグインを検索 ![](https://s.w.org/plugins/geopattern-icon/ds-cf7-math-captcha.svg) # DS CF7 Math Captcha 作者: [Dotsquares](https://profiles.wordpress.org/dotsvijay/) [ダウンロード](https://downloads.wordpress.org/plugin/ds-cf7-math-captcha.4.0.zip) * [詳細](https://ja.wordpress.org/plugins/ds-cf7-math-captcha/#description) * [レビュー](https://ja.wordpress.org/plugins/ds-cf7-math-captcha/#reviews) * [インストール](https://ja.wordpress.org/plugins/ds-cf7-math-captcha/#installation) * [開発](https://ja.wordpress.org/plugins/ds-cf7-math-captcha/#developers) [サポート](https://wordpress.org/support/plugin/ds-cf7-math-captcha/) ## 説明 ### Form Stop Spam Emails – A permanent solution to stop spam emails “DS CF7 Math Captcha” plugin gives functionality of prevent unwanted spam to your contact form 7. Contact Form 7 plugin is most widely used by many users so this plugin helps to prevent unwanted spam from website that has been created by Contact Form 7 plugin. This plugin is very much effective to stop form spam for Contact Form 7 plugin. #### The plugin has been tested with the latest version 6.1 of Contact Form 7 #### Features * Math Captcha * Refresh Math Captcha * Available Translations – English (US), French, Hindi, Spanish and German ## スクリーンショット [⌊Adding the Math Captcha tag from the Contact Form 7 form editor.⌉⌊Adding the Math Captcha tag from the Contact Form 7 form editor.⌉[ Adding the Math Captcha tag from the Contact Form 7 form editor. [⌊Inserting the Math Captcha shortcode using the tag generator.⌉⌊Inserting the Math Captcha shortcode using the tag generator.⌉[ Inserting the Math Captcha shortcode using the tag generator. [⌊Math Captcha with refresh option displayed on the front-end form.⌉⌊Math Captcha with refresh option displayed on the front-end form.⌉[ Math Captcha with refresh option displayed on the front-end form. ## インストール In most cases you can install plugin by single click from WordPress admin dashboard. However, if you install this manually, follow these steps: 1. Upload the entire `ds-cf7-math-captcha` folder to the `/wp-content/plugins/` directory. 2. Activate the plugin through the ‘Plugins’ menu in WordPress. ## FAQ ### How I can add captcha in contact form 7? To add the mathcaptcha you can find the tag ‘Mathcaptcha’ when you will create new contact form. When you will click on ‘Mathcaptcha’ tag then that tag shortcode will display in the form editor. That’s all!! ## 評価 ![](https://secure.gravatar.com/avatar/d853c9a410da28c618b0ae5f98098eda6ed64b489facdc051d040e47c59b18a9? s=60&d=retro&r=g) ### 󠀁[Best Contact Form Spam Protection](https://wordpress.org/support/topic/best-contact-form-spam-protection/)󠁿 [globalseda](https://profiles.wordpress.org/globalseda/) 2024年11月27日 This is by far the easiest and best spam protection plugin for contact forms on your website. Better still it’s free with great support. ![](https://secure.gravatar.com/avatar/113a252eaaf4685e849023c64872086619e65d979521b65300292d537df3bcc1? s=60&d=retro&r=g) ### 󠀁[Nice and simple](https://wordpress.org/support/topic/nice-and-simple-317/)󠁿 [luckyfella73](https://profiles.wordpress.org/luckyfella73/) 2024年11月27日 This is very good captcha plugin! Easy to use, optically nice and the plugin author seems to react very quick to questions/issues. ![](https://secure.gravatar.com/avatar/6abc998c691ce65b8b4006d5e1117a0fe02b257ca00129189cd144add396db84? s=60&d=retro&r=g) ### 󠀁[Asm spam protection CF7](https://wordpress.org/support/topic/asm-spam-protection-cf7/)󠁿 [brijesh10](https://profiles.wordpress.org/brijesh10/) 2024年11月16日 I’ve been using the DS CF7 Math Captcha plugin for my Contact Form 7 forms, and it’s been fantastic at stopping spam! The math-based captchas are simple for users but effective against bots. Highly recommend! ![](https://secure.gravatar.com/avatar/93a184ac471877949c8e0fba4b11c2e8a835c59b972ad80abb6f7afb2a6b355a? s=60&d=retro&r=g) ### 󠀁[Great Work](https://wordpress.org/support/topic/great-work-1146/)󠁿 [Chanchal](https://profiles.wordpress.org/chanchal/) 2024年11月15日 This plugin is required for Contact Form 7 users. ![](https://secure.gravatar.com/avatar/e408bede3d5b8ef0ca91e5684ce97fc43965bad39a84dda9d5a684dd8d18f58e? s=60&d=retro&r=g) ### 󠀁[Amazing Tools](https://wordpress.org/support/topic/amazing-tools-7/)󠁿 [vaibhav369joshi](https://profiles.wordpress.org/vaibhav369joshi/) 2024年11月14 日 Amazing Tools ![](https://secure.gravatar.com/avatar/a5c0fe3b8a52c1d8b07616c5dba4bcbddf52411bf34733773cd71f479084dd92? s=60&d=retro&r=g) ### 󠀁[Exactly what I was looking for](https://wordpress.org/support/topic/exactly-what-i-was-looking-for-616/)󠁿 [ravifazan](https://profiles.wordpress.org/ravifazan/) 2024年11月14日 simple and effective captcha for my cf7 form, till now no issues simple and effective [ 8件のレビューをすべて表示 ](https://wordpress.org/support/plugin/ds-cf7-math-captcha/reviews/) ## 貢献者と開発者 DS CF7 Math Captcha はオープンソースソフトウェアです。以下の人々がこのプラグイン に貢献しています。 貢献者 * [ Dotsquares ](https://profiles.wordpress.org/dotsvijay/) “DS CF7 Math Captcha” は6ロケールに翻訳されています。 [翻訳者](https://translate.wordpress.org/projects/wp-plugins/ds-cf7-math-captcha/contributors) のみなさん、翻訳へのご協力ありがとうございます。 [“DS CF7 Math Captcha” をあなたの言語に翻訳しましょう。](https://translate.wordpress.org/projects/wp-plugins/ds-cf7-math-captcha) ### 開発に興味がありますか ? [コードを閲覧](https://plugins.trac.wordpress.org/browser/ds-cf7-math-captcha/)する か、[SVN リポジトリ](https://plugins.svn.wordpress.org/ds-cf7-math-captcha/)をチェック するか、[開発ログ](https://plugins.trac.wordpress.org/log/ds-cf7-math-captcha/)を [RSS](https://plugins.trac.wordpress.org/log/ds-cf7-math-captcha/?limit=100&mode=stop_on_copy&format=rss) で購読してみてください。 ## 変更履歴 #### 4.0.0 Major security and performance update. * Stronger protection against spam bots, automated submissions, and captcha bypass attempts. * New modern captcha styles with live preview and customization options. * Added Easy, Medium, and Hard difficulty levels to match your website’s security needs. * Improved user experience while maintaining strong spam protection. * Enhanced accessibility support and compatibility with Contact Form 7. * Faster, lighter, and more reliable captcha validation. * No external services, tracking, cookies, or third-party dependencies required. * Improved overall plugin stability, security, and performance. #### 3.2.0 Sixteen Stable version * Security: replaced client-side hidden math fields with a server-signed HMAC token. The answer is never sent to the browser, eliminating tampering and bot bypass. * Added token expiration (10 minutes) and one-time-use replay protection (transient based, no database tables). * Replaced the plain-text question with a lightweight inline image while keeping it easy for humans to read. #### 3.1.0 Fifteen Stable version #### 3.0.7 Fourteen Stable version #### 3.0.6 Thirteen Stable version #### 3.0.5 Twelve Stable version #### 3.0.4 Eleven Stable version #### 3.0.3 Ten Stable version #### 3.0.2 Nine Stable version #### 3.0.1 Eighth Stable version #### 3.0.0 Seventh Stable version #### 2.0.2 Sixth Stable version #### 2.0.1 Fifth Stable version #### 2.0 Fourth stable Release #### 1.2 Second stable Release #### 1.0 * First stable release ## メタ * バージョン **4.0** * 最終更新日 **1週間前** * 有効インストール数 **10,000+** * WordPress バージョン ** 6.5またはそれ以降 ** * 検証済み最新バージョン: **7.0** * PHP バージョン ** 7.4またはそれ以降 ** * 言語 * [Dutch](https://nl.wordpress.org/plugins/ds-cf7-math-captcha/)、[English (US)](https://wordpress.org/plugins/ds-cf7-math-captcha/)、 [German](https://de.wordpress.org/plugins/ds-cf7-math-captcha/)、[German (Switzerland)](https://de-ch.wordpress.org/plugins/ds-cf7-math-captcha/)、 [Italian](https://it.wordpress.org/plugins/ds-cf7-math-captcha/)、[Spanish (Chile)](https://cl.wordpress.org/plugins/ds-cf7-math-captcha/)、 [Spanish (Spain)](https://es.wordpress.org/plugins/ds-cf7-math-captcha/). * [プラグインを翻訳](https://translate.wordpress.org/projects/wp-plugins/ds-cf7-math-captcha) * タグ * [captcha](https://ja.wordpress.org/plugins/tags/captcha/)[contact form 7](https://ja.wordpress.org/plugins/tags/contact-form-7/) [contact form 7 addon](https://ja.wordpress.org/plugins/tags/contact-form-7-addon/) [contact form 7 captcha](https://ja.wordpress.org/plugins/tags/contact-form-7-captcha/) [math captcha](https://ja.wordpress.org/plugins/tags/math-captcha/) * [詳細を表示](https://ja.wordpress.org/plugins/ds-cf7-math-captcha/advanced/) ## 評価 5つ星中5つ星 * [ 8 5-星レビュー ](https://wordpress.org/support/plugin/ds-cf7-math-captcha/reviews/?filter=5) * [ 0 4-星レビュー ](https://wordpress.org/support/plugin/ds-cf7-math-captcha/reviews/?filter=4) * [ 0 3-星レビュー ](https://wordpress.org/support/plugin/ds-cf7-math-captcha/reviews/?filter=3) * [ 0 2-星レビュー ](https://wordpress.org/support/plugin/ds-cf7-math-captcha/reviews/?filter=2) * [ 0 1-星レビュー ](https://wordpress.org/support/plugin/ds-cf7-math-captcha/reviews/?filter=1) [Your review](https://wordpress.org/support/plugin/ds-cf7-math-captcha/reviews/#new-post) [すべてのレビューを見る](https://wordpress.org/support/plugin/ds-cf7-math-captcha/reviews/) ## 貢献者 * [ Dotsquares ](https://profiles.wordpress.org/dotsvijay/) ## サポート 過去2ヶ月以内に解決した問題: 1 / 2 [サポートフォーラムを表示](https://wordpress.org/support/plugin/ds-cf7-math-captcha/)