Securimage-WP WordPress Plugin

Securimage-WP is the official WordPress plugin for Securimage. It adds CAPTCHA protection to your WordPress comment forms on posts and pages, configurable entirely from the WordPress Settings menu.

Features

• Configurable from WordPress Settings — no PHP file editing required
• Customise code length, image dimensions, colors, and distortion factors
• Supports word or math-based CAPTCHA images
• Audio CAPTCHA support for accessibility (streaming secure audio challenges)
• Add a custom signature text to your CAPTCHA images
• Customise CSS classes and styles on CAPTCHA inputs
• Control the tab order of CAPTCHA inputs to match your theme layout
• Stores codes in a database table — visitors do not need cookies enabled

Installation

The easiest way to install is directly from the WordPress admin panel:

1. Go to Plugins → Add New
2. Search for Securimage-WP
3. Click Install Now, then Activate
4. Configure via Settings → Securimage-WP

Alternatively, download from the WordPress Plugin Directory, upload the securimage-wp folder to wp-content/plugins/, then activate from the Plugins menu.

Requirements

• WordPress 4.0 or higher
• PHP 7.2 or higher (PHP 8.x supported)
• PHP GD extension with FreeType support

Looking for a Modern Alternative?

If you'd prefer an invisible CAPTCHA approach for WordPress, several plugins integrate Cloudflare Turnstile or hCaptcha — both of which work without image challenges. See our WordPress CAPTCHA plugins comparison for a full overview of the best options in 2026.