{"id":251539,"date":"2025-09-20T13:35:40","date_gmt":"2025-09-20T13:35:40","guid":{"rendered":"https:\/\/wordpress.org\/plugins\/thinkcaptcha\/"},"modified":"2026-09-19T10:34:36","modified_gmt":"2026-09-19T10:34:36","slug":"thinkcaptcha","status":"publish","type":"plugin","link":"https:\/\/fa.wordpress.org\/plugins\/thinkcaptcha\/","author":23320916,"comment_status":"closed","ping_status":"closed","template":"","meta":{"version":"1.1.9","stable_tag":"1.1.9","tested":"7.1.1","requires":"5.5","requires_php":"","requires_plugins":null,"header_name":"ThinkCaptcha \u2013 Captcha for Login, Register and WooCommerce","header_author":"Thinkplugin.com","header_description":"A modern, secure reCAPTCHA integration for WordPress and WooCommerce forms. 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The captcha only loads on the pages that actually use it, so it stays light on performance.<\/p>\n\n<h4>Free features<\/h4>\n\n<ul>\n<li>Captcha on the WordPress login form to slow down brute-force attacks.<\/li>\n<li>Captcha on the WordPress registration and password-reset forms.<\/li>\n<li>Captcha on the WooCommerce login, registration, and password-reset forms.<\/li>\n<li>Loads asynchronously and only where it's needed.<\/li>\n<\/ul>\n\n<h4>ThinkCaptcha Pro<\/h4>\n\n<p>Want to protect the rest of your site? <a href=\"https:\/\/thinkplugin.com\/thinkcaptcha-pro\/\">ThinkCaptcha Pro<\/a> extends the same captcha to:<\/p>\n\n<ul>\n<li>The WooCommerce checkout, to help prevent fraudulent and spam orders.<\/li>\n<li>Contact Form 7 and WPForms submissions.<\/li>\n<li>The default WordPress registration form.<\/li>\n<\/ul>\n\n<h3>Third-Party Service Disclosure<\/h3>\n\n<p>This plugin connects to the Google reCAPTCHA service to tell humans and bots apart.<\/p>\n\n<ul>\n<li>Service used: Google reCAPTCHA (provided by Google LLC).<\/li>\n<li>What is sent: to verify a visitor is human, the service collects and sends device and application data, along with the visitor's IP address, to Google.<\/li>\n<li>When it is sent: whenever a protected form is displayed and submitted.<\/li>\n<li>Policies: use of Google reCAPTCHA is subject to Google's <a href=\"https:\/\/policies.google.com\/privacy\">Privacy Policy<\/a> and <a href=\"https:\/\/policies.google.com\/terms\">Terms of Service<\/a>.<\/li>\n<\/ul>\n\n<!--section=installation-->\n<ol>\n<li>Upload the <code>thinkcaptcha<\/code> folder to the <code>\/wp-content\/plugins\/<\/code> directory.<\/li>\n<li>Activate the plugin through the 'Plugins' menu in WordPress.<\/li>\n<li>Open the \"ThinkCaptcha\" menu in your WordPress admin dashboard.<\/li>\n<li>Get a Site Key and Secret Key for reCAPTCHA v2 (\"I'm not a robot\" checkbox) from the <a href=\"https:\/\/www.google.com\/recaptcha\/admin\/create\">Google reCAPTCHA admin console<\/a>.<\/li>\n<li>Paste your keys into the plugin's settings page.<\/li>\n<li>Use the toggles to enable the captcha on the forms you want to protect.<\/li>\n<li>Save your changes \u2014 protection is now active.<\/li>\n<\/ol>\n\n<!--section=faq-->\n<dl>\n<dt id=\"how%20do%20i%20add%20a%20captcha%20to%20the%20wordpress%20login%20form%3F\"><h3>How do I add a captcha to the WordPress login form?<\/h3><\/dt>\n<dd><p>After adding your Google reCAPTCHA keys, open the ThinkCaptcha settings page and enable \"WordPress - Login Form\". The captcha is added to your login page automatically, which helps protect against brute-force attacks.<\/p><\/dd>\n<dt id=\"can%20i%20add%20a%20captcha%20to%20my%20woocommerce%20forms%3F\"><h3>Can I add a captcha to my WooCommerce forms?<\/h3><\/dt>\n<dd><p>Yes. You can enable the captcha on the WooCommerce login, registration, and password-reset forms from the settings panel. The WooCommerce checkout is available in the Pro version.<\/p><\/dd>\n<dt id=\"does%20the%20plugin%20support%20contact%20form%207%20or%20wpforms%3F\"><h3>Does the plugin support Contact Form 7 or WPForms?<\/h3><\/dt>\n<dd><p>Contact Form 7 and WPForms are supported in the Pro version.<\/p><\/dd>\n<dt id=\"what%20is%20the%20difference%20between%20a%20captcha%20and%20recaptcha%3F\"><h3>What is the difference between a captcha and reCAPTCHA?<\/h3><\/dt>\n<dd><p>\"Captcha\" is the general term for a test that tells humans and bots apart. reCAPTCHA is Google's version of it, which uses risk analysis for a smoother experience. ThinkCaptcha uses reCAPTCHA v2.<\/p><\/dd>\n<dt id=\"does%20the%20plugin%20slow%20down%20my%20site%3F\"><h3>Does the plugin slow down my site?<\/h3><\/dt>\n<dd><p>No. The script loads asynchronously and only on pages where the captcha is active, so it does not block your pages from loading.<\/p><\/dd>\n\n<\/dl>\n\n<!--section=changelog-->\n<h4>1.1.9<\/h4>\n\n<ul>\n<li>FIX: The WooCommerce login captcha now blocks login on failed verification (moved to the woocommerce_process_login_errors filter).<\/li>\n<li>FIX: Removed an unreliable page check during wp_loaded that could stop WooCommerce login verification from running.<\/li>\n<li>FIX: The captcha script now loads with proper async\/defer attributes via the script_loader_tag filter.<\/li>\n<li>TWEAK: Rewrote the readme and plugin title for clarity and to follow WordPress.org guidelines (removed keyword stuffing).<\/li>\n<li>TWEAK: Updated tested-up-to values (WordPress 7.1, WooCommerce 11.0).<\/li>\n<li>TWEAK: Removed a leftover Poppins font reference from the admin styles.<\/li>\n<\/ul>\n\n<h4>1.1.6<\/h4>\n\n<ul>\n<li>TWEAK: Tested up to WordPress 6.9.<\/li>\n<\/ul>\n\n<h4>1.1.5<\/h4>\n\n<ul>\n<li>FIX: Resolved a short-description length warning in readme.txt.<\/li>\n<li>FIX: Resolved a \"Tested up to\" tag validation error.<\/li>\n<li>FIX: Resolved a translation-loading notice by optimizing text domain calls.<\/li>\n<li>FIX: Added missing translator comments for better I18n compliance.<\/li>\n<li>TWEAK: Removed the Google Fonts dependency for better GDPR compliance; switched to native WordPress admin fonts.<\/li>\n<li>TWEAK: Improved IP detection for sites behind Cloudflare or a proxy.<\/li>\n<\/ul>\n\n<h4>1.1.2<\/h4>\n\n<ul>\n<li>FIX: Switched to wp_enqueue_script for loading external JavaScript.<\/li>\n<li>FIX: Added nonce checks to all form submissions (CSRF protection).<\/li>\n<li>FIX: Added sanitization and unslashing for all $_POST and $_SERVER inputs.<\/li>\n<li>FIX: Added versioning to enqueued scripts and styles.<\/li>\n<li>FIX: Added isset checks for $_SERVER variables to prevent notices.<\/li>\n<\/ul>\n\n<h4>1.1.1<\/h4>\n\n<ul>\n<li>FIX: Bundled the Font Awesome library locally to remove external dependencies.<\/li>\n<\/ul>\n\n<h4>1.1.0<\/h4>\n\n<ul>\n<li>Initial public release.<\/li>\n<\/ul>","raw_excerpt":"Add a captcha to your WordPress and WooCommerce login, registration, and password forms to stop spam, bots, and brute-force attacks.","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/fa.wordpress.org\/plugins\/wp-json\/wp\/v2\/plugin\/251539","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fa.wordpress.org\/plugins\/wp-json\/wp\/v2\/plugin"}],"about":[{"href":"https:\/\/fa.wordpress.org\/plugins\/wp-json\/wp\/v2\/types\/plugin"}],"replies":[{"embeddable":true,"href":"https:\/\/fa.wordpress.org\/plugins\/wp-json\/wp\/v2\/comments?post=251539"}],"author":[{"embeddable":true,"href":"https:\/\/fa.wordpress.org\/plugins\/wp-json\/wporg\/v1\/users\/thinkplugin"}],"wp:attachment":[{"href":"https:\/\/fa.wordpress.org\/plugins\/wp-json\/wp\/v2\/media?parent=251539"}],"wp:term":[{"taxonomy":"plugin_section","embeddable":true,"href":"https:\/\/fa.wordpress.org\/plugins\/wp-json\/wp\/v2\/plugin_section?post=251539"},{"taxonomy":"plugin_tags","embeddable":true,"href":"https:\/\/fa.wordpress.org\/plugins\/wp-json\/wp\/v2\/plugin_tags?post=251539"},{"taxonomy":"plugin_category","embeddable":true,"href":"https:\/\/fa.wordpress.org\/plugins\/wp-json\/wp\/v2\/plugin_category?post=251539"},{"taxonomy":"plugin_contributors","embeddable":true,"href":"https:\/\/fa.wordpress.org\/plugins\/wp-json\/wp\/v2\/plugin_contributors?post=251539"},{"taxonomy":"plugin_business_model","embeddable":true,"href":"https:\/\/fa.wordpress.org\/plugins\/wp-json\/wp\/v2\/plugin_business_model?post=251539"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}