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Best web application firewall plugins for WordPress

The most popular web application firewall plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Security Optimizer leads with 1M+ active installs, ahead of BBQ Firewall (100K+) and RSFirewall! (4K+). All 7 plugins tagged “web application firewall” 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.

Research this niche or see all plugins.

Top 7 web application firewall plugins

  1. 1.
    Security Optimizer

    The most installed web application firewall plugin, with 1M+ active installs. Rated 4.5 from 158 reviews, updated 4 days ago.

  2. 2.
    BBQ Firewall

    100K+ active installs. Rated 4.9 from 160 reviews, updated 2 days ago.

  3. 3.
    RSFirewall!

    4K+ active installs. Rated 5.0 from 5 reviews, updated 6 days ago.

  4. 4.
    Virusdie

    2K+ active installs. Rated 4.0 from 9 reviews, updated 2 months ago.

  5. 5.
    CloudFilt Bot & Spam Protection

    500+ active installs. Only 4 reviews so far, updated 8 months ago. Tested only up to WordPress 6.9.11.

  6. 6.
    Cybershield Firewall

    10+ active installs. No reviews yet, last updated 2 years ago. Tested only up to WordPress 6.6.11.

  7. 7.
    Techbox Firewall

    Fewer than 10 active installs. No reviews yet, updated 1 month ago.

All 7 plugins tagged “web application firewall”