DS CF7 Math Captcha

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

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.

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