Best form spam plugins for WordPress
The most popular form spam plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Blacklist Manager leads with 2K+ active installs, ahead of Human Presence (1K+) and Comment Blacklist Updater (700+). All 7 plugins tagged “form spam” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
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Top 7 form spam plugins
- 1.
Blacklist ManagerThe most installed form spam plugin, with 2K+ active installs. Rated 3.6 from 14 reviews, updated 6 days ago.
- 2.
Human Presence1K+ active installs. Rated 4.7 from 15 reviews, last updated 2 years ago. Tested only up to WordPress 6.4.14.
- 3.
Comment Blacklist Updater700+ active installs. Only 4 reviews so far, updated 5 months ago.
- 4.
Form Spammer Trap for Comments10+ active installs. No reviews yet, last updated 4 years ago. Tested only up to WordPress 5.9.20.
- 5.
TrafficValidatorFewer than 10 active installs. No reviews yet, updated 4 months ago.
- 6.HubGuard Anti-Spam
Fewer than 10 active installs. No reviews yet, updated 6 months ago. Tested only up to WordPress 6.9.11.
- 7.
Wellenbrecher10+ active installs. No reviews yet, updated 3 weeks ago.
All 7 plugins tagged “form spam”

Blacklist Manager
Down in the last 7 days:13#4,487by YoOhw Studio6 days ago
Block risky WooCommerce orders, spam signups, and form submissions with blacklist rules plus built-in checkout email verification.
- Installs
- 2K+
- Rating
- 3.6(14)
- Downloads
- 157/day

Human Presence
Down in the last 7 days:52#6,389by humanpresence2 years ago
The #1 Plugin for Blocking Form Spam on WordPress
- Installs
- 1K+
- Rating
- 4.7(15)
- Downloads
- 24/day

Comment Blacklist Updater
Down in the last 7 days:46#7,635by apasionados6 months ago
Update "Comment Blacklist" spam terms to manage spam in forms and comments
- Installs
- 700+
- Rating
- 4.8(4)
- Downloads
- 9/day

Form Spammer Trap for Comments
#37,521by Rick Hellewell4 years ago
Blocks comment spam without captchas, hidden fields, etc. Removes excess URLs from comment area. Set text values for all areas of the comment form.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day

TrafficValidator
Up in the last 7 days:16,166#54,764by Traffic Validator4 months ago
Real-time lead scoring & bot detection. Automatically scores every form submission on your WordPress site.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
HubGuard Anti-Spam
Up in the last 7 days:940#65,855by aipluginhub6 months ago
Smart, AI-powered spam protection. Automatically detects your active forms and protects them from bots and malicious submissions.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

Wellenbrecher
Down in the last 7 days:2,390#67,250by hafenstudios27 days ago
Blocks spam in registrations, WooCommerce checkout, comments and eight form builders. Scored on your own server, no cloud and no captcha.
- Installs
- 10+
- Rating
- –
- Downloads
- 3/day