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HSArticle Math CAPTCHA for Forms — WordPress Anti-Spam Plugin

by hsarticle · WordPress.org page · Website

v1.0.1 Tested up to WP 7.0.4 PHP 7.4+

HSArticle Math CAPTCHA for Forms has 20+ active installs on WordPress.org and 258 downloads all time. We have tracked it since September 4, 2026; download trends appear after 30 days of data. The last update was on July 11, 2026, tested up to WordPress 7.0.4.

HSArticle Math CAPTCHA for Forms at a glance

Active installs
20+
Total downloads
258
Downloads, last 30 days
–
available after 30 days of tracking
30-day growth
–
tracking since September 4, 2026

Is HSArticle Math CAPTCHA for Forms well maintained?

Support threads resolved
No open threads
nothing waiting on the WordPress.org forum
WordPress compatibility
Behind
tested up to WordPress 7.0.4, not yet with the current 7.1

Features

The feature list from the plugin's own readme on WordPress.org, trimmed to the essentials.

  • Math CAPTCHA — addition, subtraction, multiplication with sensible number ranges
  • Two display modes: distorted canvas image (bot-resistant) or plain text (accessible)
  • Server-side validation — answer stored in PHP session with HMAC signature, never exposed to the client
  • Honeypot field — silent bot trap alongside the math challenge
  • Rate limiting — blocks IPs after 10 failed attempts per 10 minutes
  • Refresh button — generate a new question without reloading
  • WPForms auto inject — protect any WPForms (free or pro) without adding a shortcode
  • Registered as a CF7 form tag — no unknown tag warnings in the CF7 editor
  • Session only starts on pages that actually contain a form — no impact on page caching elsewhere
  • Clean admin page under its own menu — not buried under Settings

Details

Math CAPTCHA for CF7, WPForms, and any HTML form. Zero config — install, add shortcode or use auto inject from settings.

The full description, screenshots and every review live on the WordPress.org page.

Rankings HSArticle Math CAPTCHA for Forms competes in

Tags

  • bot protection
  • captcha
  • contact form 7
  • spam
  • WPForms

More from hsarticle

Version
1.0.1
Last updated
Jul 11, 2026
First published
Jun 20, 2026
Requires WordPress
5.5
Tested up to
7.0.4
Requires PHP
7.4
Pricing
Free on WordPress.org

HSArticle Math CAPTCHA for Forms FAQ

What does HSArticle Math CAPTCHA for Forms do?

According to its WordPress.org readme, HSArticle Math CAPTCHA for Forms offers Math CAPTCHA — addition, subtraction, multiplication with sensible number ranges, Two display modes: distorted canvas image (bot-resistant) or plain text (accessible), Server-side validation — answer stored in PHP session with HMAC signature, never exposed to the client, Honeypot field — silent bot trap alongside the math challenge and Rate limiting — blocks IPs after 10 failed attempts per 10 minutes.

How many active installs does HSArticle Math CAPTCHA for Forms have?

WordPress.org reports 20+ active installs for HSArticle Math CAPTCHA for Forms as of September 7, 2026.

Is HSArticle Math CAPTCHA for Forms still maintained?

Yes. The last release was on July 11, 2026 and it is tested up to WordPress 7.0.4.

Is HSArticle Math CAPTCHA for Forms free?

HSArticle Math CAPTCHA for Forms is free to install from WordPress.org. Many plugins also sell a paid version or add-ons.