Title: Captcha Spam Blocker Author: botezatu Published: september 20, 2024 Last modified: august 6, 2025 --- Search plugins ![](https://ps.w.org/captcha-spam-blocker/assets/banner-772x250.png?rev=3155086) ![](https://ps.w.org/captcha-spam-blocker/assets/icon-256x256.png?rev=3155086) # Captcha Spam Blocker By [botezatu](https://profiles.wordpress.org/botezatu/) [Download](https://downloads.wordpress.org/plugin/captcha-spam-blocker.3.0.0.zip) * [Details](https://fao.wordpress.org/plugins/captcha-spam-blocker/#description) * [Reviews](https://fao.wordpress.org/plugins/captcha-spam-blocker/#reviews) * [Installation](https://fao.wordpress.org/plugins/captcha-spam-blocker/#installation) * [Development](https://fao.wordpress.org/plugins/captcha-spam-blocker/#developers) [Support](https://wordpress.org/support/plugin/captcha-spam-blocker/) ## Description Elevate the security of your WordPress and WooCommerce sites with our comprehensive CAPTCHA and Security Enhancements Plugin. Designed to shield your site from unauthorized access and spam, this plugin integrates CAPTCHA protection across various critical points including the WordPress admin login, registration, and lost password forms, as well as on comments and WooCommerce-related forms such as login, registration, lost password, ratings, reviews, and checkout processes. Our Captcha Spam Blocker Plugin is fully GDPR-compliant, ensuring that no personal data is unnecessarily collected or stored. ### Key Features * CAPTCHA Integration: Adds CAPTCHA verification to prevent automated submissions on WordPress and WooCommerce forms, including: - WP-admin login, register, and lost password pages. - Comments section. - WooCommerce login, register, lost password, ratings and reviews, and checkout forms. * Enhanced CAPTCHA Loading: CAPTCHA images are dynamically loaded using AJAX with a security token and encoded in Base64, ensuring both security and performance are optimized. * Contact Form 7 Compatibility: Secure your CF7 forms against spam with our easy- to-integrate CAPTCHA shortcode `[csb_botezatu_captcha_spam_blocker]`. * Advanced Security Options: - Honey Pot CAPTCHA: Implement an invisible form field that traps bots without affecting user experience. - JavaScript CAPTCHA Layer: Enhances security with a dynamically updated input field to challenge bots further. * Disable XMLRPC: Protect your site from brute force attacks through the XMLRPC endpoint, commonly exploited for unauthorized login attempts. * Stop Words Filter: Control unwanted content in comments and messages with a customizable list of stop words, preventing the submission of forms containing these terms. ### Benefits * Enhanced Security: Reduce the risk of spam and unauthorized access. * User-Friendly: CAPTCHA challenges are designed to be unobtrusive and user-friendly. * Easy Integration: Simple setup with minimal configuration needed to protect various forms across your WordPress and WooCommerce sites. ### Usage Easily integrate CAPTCHA in your Contact Form 7 with the provided shortcode and follow our guidelines to enhance security across your site’s forms. For added protection, enable the recommended settings like Honey Pot CAPTCHA and JavaScript security layer. Secure your WordPress site today with our Captcha Spam Blocker Plugin — your all- in-one solution for a safer, spam-free website. ## Screenshots * [[ * Example of CAPTCHA on the WordPress login page. * [[ * Example of CAPTCHA integration on the WordPress comment form. * [[ * CAPTCHA Admin Screen #1 * [[ * CAPTCHA Admin Screen #2 * [[ * CAPTCHA Admin Screen #3 ## Installation 1. Upload ‘captcha-spam-blocker.zip’ to the ‘/wp-content/plugins/’ directory. 2. Activate the plugin through the ‘Plugins’ menu in WordPress. ## Reviews ![](https://secure.gravatar.com/avatar/60b4c5a1322a6890db1e2bfd80db4c7723cc6ea3b98ebc63c0e10cd45b2ed509? s=60&d=retro&r=g) ### 󠀁[critical error](https://wordpress.org/support/topic/critical-error-861/)󠁿 [dimail](https://profiles.wordpress.org/dimail/) februar 5, 2026 Everything is fine, but it causes a Wordpress error The PHP session was created by calling the function session_start(). This prevents the REST API and loopback requests from working. The session must be closed by the function session_write_close() before making any HTTP requests. ![](https://secure.gravatar.com/avatar/61fe5c6c79bbe8314968d3e6cbffc8a2fb2e00b434cf65d23519c6e72d143663? s=60&d=retro&r=g) ### 󠀁[Developer’s Review: Still My Go-To Plugin After 1 Year](https://wordpress.org/support/topic/developers-review-still-my-go-to-plugin-after-1-year/)󠁿 [botezatu](https://profiles.wordpress.org/botezatu/) august 6, 2025 Full disclosure: I am the developer. I originally built this plugin for my own projects because I needed a simple and effective way to stop spam. One year after publishing it, I’m leaving this review to confirm it’s still running flawlessly on all my sites. It has completely eliminated spam on my forms. It’s a “set it and forget it” solution that just works. [ Read all 2 reviews ](https://wordpress.org/support/plugin/captcha-spam-blocker/reviews/) ## Contributors & Developers “Captcha Spam Blocker” is open source software. The following people have contributed to this plugin. Contributors * [ botezatu ](https://profiles.wordpress.org/botezatu/) [Translate “Captcha Spam Blocker” into your language.](https://translate.wordpress.org/projects/wp-plugins/captcha-spam-blocker) ### Interested in development? [Browse the code](https://plugins.trac.wordpress.org/browser/captcha-spam-blocker/), check out the [SVN repository](https://plugins.svn.wordpress.org/captcha-spam-blocker/), or subscribe to the [development log](https://plugins.trac.wordpress.org/log/captcha-spam-blocker/) by [RSS](https://plugins.trac.wordpress.org/log/captcha-spam-blocker/?limit=100&mode=stop_on_copy&format=rss). ## Changelog #### 3.0.0 * New: Added a language selector to automatically pre-fill translation fields for CAPTCHA texts in multiple languages. * New: Added a “Copy” button for the Contact Form 7 shortcode for easier implementation. * New: Added a button to insert an example list of common spam words into the “ Stop Words” field. * Tweak: Minor CSS adjustments for better alignment and styling of new elements in the admin settings page. #### 2.0.0 * Code optimization for improved performance and efficiency #### 1.0.0 * Initial release ## Meta * Version **3.0.0** * Last updated **9 mánaðar ago** * Active installations **50+** * WordPress version ** 4.0 or higher ** * Tested up to **6.8.5** * PHP version ** 5.4 or higher ** * Language * [English (US)](https://wordpress.org/plugins/captcha-spam-blocker/) * Tags * [antispam](https://fao.wordpress.org/plugins/tags/antispam/)[captcha](https://fao.wordpress.org/plugins/tags/captcha/) [security](https://fao.wordpress.org/plugins/tags/security/)[spam protection](https://fao.wordpress.org/plugins/tags/spam-protection/) * [Advanced View](https://fao.wordpress.org/plugins/captcha-spam-blocker/advanced/) ## Ratings 4.5 out of 5 stars. * [ 1 5-star review ](https://wordpress.org/support/plugin/captcha-spam-blocker/reviews/?filter=5) * [ 1 4-star review ](https://wordpress.org/support/plugin/captcha-spam-blocker/reviews/?filter=4) * [ 0 3-star reviews ](https://wordpress.org/support/plugin/captcha-spam-blocker/reviews/?filter=3) * [ 0 2-star reviews ](https://wordpress.org/support/plugin/captcha-spam-blocker/reviews/?filter=2) * [ 0 1-star reviews ](https://wordpress.org/support/plugin/captcha-spam-blocker/reviews/?filter=1) [Your review](https://wordpress.org/support/plugin/captcha-spam-blocker/reviews/#new-post) [See all reviews](https://wordpress.org/support/plugin/captcha-spam-blocker/reviews/) ## Contributors * [ botezatu ](https://profiles.wordpress.org/botezatu/) ## Support Got something to say? Need help? [View support forum](https://wordpress.org/support/plugin/captcha-spam-blocker/)