Plugin Brewery

Multi-Form Anti-Spam Image CAPTCHA adds a fast, accessible icon challenge — paired with honeypots and a submission speed check — to the form plugins and WordPress core screens spambots love to abuse. Users select the requested icon to verify; every challenge is generated server-side with a hashed answer so bots cannot scrape the correct option from the markup.
One plugin covers Gravity Forms, Contact Form 7, WPForms, WooCommerce, WordPress login, comments, and more — with full styling controls, 780+ icons, and layered bot defenses.
<h4>Integrations</h4>
<ul>
<li>Gravity Forms — drag the MultiForm Image CAPTCHA field into any form</li>
<li>Contact Form 7 — insert the <code>[pbmfasic]</code> form-tag (a one-click tag generator is included)</li>
<li>WPForms — drag the MultiForm Anti-Spam Image CAPTCHA field into any form</li>
<li>Formidable Forms — drop <code>[pbmfasic]</code> inside an HTML field</li>
<li>Elementor Pro Forms — drop <code>[pbmfasic]</code> inside an HTML widget</li>
<li>WooCommerce — toggle CAPTCHA on the Login, Registration, and classic shortcode Checkout forms (the block-based Checkout Block is not yet supported)</li>
<li>WordPress login, registration, lost-password and reset-password forms</li>
<li>WordPress comments</li>
</ul>
<h4>Spam protection</h4>
<ul>
<li>Hashed, server-side icon challenge with per-render tamper tokens</li>
<li>Honeypot fields plus a reverse-honeypot trap that catches bots that auto-fill every field</li>
<li>Submission-speed check rejects bot-fast submissions</li>
<li>Daily cleanup of stale CAPTCHA records</li>
<li>Optional “disable for logged-in users” toggle</li>
</ul>
<h4>Styling and icons</h4>
<ul>
<li>Switch between Font Awesome icon fonts (bundled) and 780+ bundled SVG icons</li>
<li>Full styling controls: colors, borders, padding, font size, layout, alignment</li>
<li>Custom prompt text and custom error messages</li>
<li>Toggle mode hides the CAPTCHA until the user starts interacting with the form</li>
</ul>
<h4>Accessibility</h4>
<ul>
<li>Keyboard-navigable radio buttons with ARIA labels</li>
<li>Optional audio cues for screen-reader users (off by default; opt in on the General tab if you need an audio alternative)</li>
</ul>
<h4>Privacy</h4>
The plugin does not call any external services and does not send data off your site. CAPTCHA records are stored in a custom table on your own database and purged automatically every 24 hours.
<h4>Developer hooks</h4>
<ul>
<li><code>pbmfasic_skip_wp_login_option</code> — filter whether validation runs on WordPress login, registration, lost-password and reset-password forms</li>
<li><code>pbmfasic_skip_validation</code> — filter whether validation should be skipped for the current request</li>
<li><code>pbmfasic_force_synchronous_render</code> — return true to render the CAPTCHA inline instead of lazy-loading it via AJAX, useful when a form submits over a custom AJAX flow that needs the CAPTCHA fields present at first paint</li>
</ul>
<h3>Credits</h3>
This plugin bundles the following third-party assets, all under licenses compatible with the GPL v3:
<ul>
<li>Font Awesome 4.7.0 — http://fontawesome.io — Font: SIL OFL 1.1, CSS: MIT License. Files: <code>css/fontawesome.css</code>, <code>fonts/fontawesome-webfont.*</code>, <code>fonts/FontAwesome.otf</code>.</li>
<li>Font Awesome SVG icons (<code>svgs/</code>) — derived from the Font Awesome 4.7 free icon set — License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).</li>
<li>Audio: “Failure 01” by rhodesmas — https://freesound.org/s/342756/ — License: CC BY 4.0. Used as <code>audio/wrong.mp3</code> (trimmed).</li>
<li>Audio: “Success 04” by rhodesmas — https://freesound.org/s/322929/ — License: CC BY 4.0. Used as <code>audio/correct.mp3</code> (trimmed).</li>
</ul>
The plugin source code is distributed under the GNU GPL v3 (see <code>LICENSE</code>).

Multi-Form Anti-Spam Image CAPTCHA

Image CAPTCHA, honeypot and accessibility spam blocking for Gravity Forms, CF7, WPForms, Formidable, Elementor, WooCommerce, comments, and login.

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