BoundaryGuard Headers
Automatically enforces essential HTTP security headers to protect your site from XSS, clickjacking, and protocol downgrade attacks.
5(1 reviews)
·0 active installs·Updated 2 months agoAs of April 2026, BoundaryGuard Headers is a WordPress csp plugin with 0 active installations and a 5/5 rating from 1 reviews. It has been downloaded 156 times in total. Requires WordPress 6.0+ and PHP 7.4+. Available on WordPress.org since 2025. Recently updated within the last 3 months. Top alternative: Headers Security Advanced & HSTS WP.
5/51 reviews
0active installs
156total downloads
1 yearsince 2025
Overview
BoundaryGuard Headers enforces modern HTTP security headers to harden your WordPress site against XSS, clickjacking, mixed content, and cross-origin attacks.
Key Features:
- Essential Protection: Adds X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy to reduce attack surface and prevent clickjacking.
- HSTS (Strict Transport Security): Forces HTTPS connections to help prevent protocol downgrade and man-in-the-middle attacks.
- Advanced Isolation (COOP/COEP): Enables Cross-Origin-Opener-Policy and Cross-Origin-Embedder-Policy to improve cross-origin isolation and mitigate certain side-channel attacks.
- Content Security Policy (CSP): One of the strongest defenses against XSS. Includes a dashboard-based CSP builder with preset options to whitelist trusted sources for…
Ratings & Reviews
51 reviews
5 ★
1
4 ★
0
3 ★
0
2 ★
0
1 ★
0
Compatibility
| WordPress | 6.0+ requiredTested up to 6.9.4 |
| PHP | 7.4+ required |
Top Alternatives to BoundaryGuard Headers
Frequently Asked Questions
Changelog
1.0.0
- Initial release
- Added essential HTTP security headers
- Implemented HSTS support
- Added CSP builder with report-only mode
Contributors
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.