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Best csp plugins for WordPress

The most popular csp plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Headers Security Advanced & HSTS WP leads with 90K+ active installs, ahead of Content Security Policy Manager (2K+) and GD Security Headers (1K+). All 29 plugins tagged “csp” 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 10 csp plugins

  1. 1.
    Headers Security Advanced & HSTS WP

    The most installed csp plugin, with 90K+ active installs. Rated 4.9 from 79 reviews, updated 1 week ago.

  2. 2.
    Content Security Policy Manager

    2K+ active installs. Rated 4.3 from 6 reviews, last updated 4 years ago. Tested only up to WordPress 6.1.16.

  3. 3.
    GD Security Headers

    1K+ active installs. Rated 4.0 from 8 reviews, updated 5 months ago.

  4. 4.
    Auto SRI

    500+ active installs. No reviews yet, updated 6 months ago. Tested only up to WordPress 6.8.12.

  5. 5.
    CSP Friendly Security

    200+ active installs. Only 4 reviews so far, updated 2 months ago.

  6. 6.
    No unsafe-inline

    200+ active installs. Rated 5.0 from 5 reviews, updated 11 months ago. Tested only up to WordPress 6.9.11.

  7. 7.
    EssentialHeaders

    60+ active installs. No reviews yet, updated 2 months ago.

  8. 8.
    Security Headers & Caching

    30+ active installs. No reviews yet, last updated 1 year ago. Tested only up to WordPress 6.8.12.

  9. 9.
    CSP Violation Reporter

    30+ active installs. Only 1 review so far, updated 1 month ago.

  10. 10.
    GDPR Helper using CSP

    20+ active installs. No reviews yet, last updated 4 years ago. Tested only up to WordPress 6.0.18.

All 29 plugins tagged “csp”