https://wordpress.org/plugins/wp-advanced-math-captcha/
WP Advanced Math Captcha – WordPress plugin | WordPress.org
Nov 16, 2025 - Protect your WordPress site with a powerful and user-friendly Math Captcha. Now with seamless WooCommerce, WPForms, and Formidable Forms integration!
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https://memberpress.com/addons/math-captcha/
Math CAPTCHA Add-On | MemberPress
Oct 23, 2025 - Math CAPTCHA MemberPress Integration | MemberPress Math CAPTCHA is a super simple built-in integration that places a math CAPTCHA on your registration forms....
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