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This WordPress Plugin add secure headers to you WordPress site.
The Following Headers are included: 
– Strict-Transport-Security: Enforces SSL if your website is using SSL (which it should be) 
– X-Frame-Options: Prevents Clickjacking 
– X-XSS-Protection: Prevents XSS attacks 
– X-Content-Type-Options: set to ‘nosniff to prevent MIME-type sniffing 
– Referrer-Policy: set to ‘no-referrer-when-downgrade’
<ul>
<li>No setup required!</li>
</ul>

WP Secure HTTP Headers

License: GPLv2 or later WordPress plugin to add secure headers to your website.

Alex Lion (阿力獅)

Andrea Ferro

Rimas

Augusto Bombana

Headers Security Advanced & HSTS WP is Best all-in-one a free plug-in for all WordPress users. Deactivating this plugin will return your site configuration exactly to the state it was in before.
The Headers Security Advanced & HSTS WP project implements HTTP response headers that your site can use to increase the security of your website. The plug-in will automatically set up all Best Practices (you don’t have to think about anything), these HTTP response headers can prevent modern browsers from running into easily predictable vulnerabilities. The Headers Security Advanced & HSTS WP project wants to popularize and increase awareness and usage of these headers for all wordpress users.
This plugin is developed by OpenHeaders by irn3, we care about WordPress security and best practices.
Check out the best features of Headers Security Advanced & HSTS WP:
<ul>
<li>X-XSS-Protection (Deprecated)</li>
<li>Pragma (Deprecated)</li>
<li>Public-Key-Pins (Deprecated)</li>
<li>Expect-CT (Deprecated)</li>
<li>Access-Control-Allow-Origin</li>
<li>Access-Control-Allow-Methods</li>
<li>Access-Control-Allow-Headers</li>
<li>X-Content-Security-Policy</li>
<li>X-Content-Type-Options</li>
<li>X-Frame-Options</li>
<li>X-Permitted-Cross-Domain-Policies</li>
<li>X-Powered-By</li>
<li>Content-Security-Policy</li>
<li>Referrer-Policy</li>
<li>HTTP Strict Transport Security / HSTS</li>
<li>Content-Security-Policy</li>
<li>Content-Security-Policy-Report-Only</li>
<li>Clear-Site-Data</li>
<li>Cross-Origin-Embedder-Policy-Report-Only</li>
<li>Cross-Origin-Opener-Policy-Report-Only</li>
<li>Cross-Origin-Embedder-Policy</li>
<li>Cross-Origin-Opener-Policy</li>
<li>Cross-Origin-Resource-Policy</li>
<li>Permissions-Policy</li>
<li>Strict-dynamic</li>
<li>Strict-Transport-Security</li>
<li>FLoC (Federated Learning of Cohorts)</li>
</ul>
Headers Security Advanced & HSTS WP is based on OWASP CSRF to protect your wordpress site. Using OWASP CSRF, once the plugin is installed, it will provide full CSRF mitigation without having to call a method to use nonce on the output. The site will be secure despite having other vulnerable plugins (CSRF).
HTTP security headers are a critical part of your website’s security. After automatic implementation with Headers Security Advanced & HSTS WP, they protect you from the most notorious types of attacks your site might encounter. These headers protect against XSS, code injection, clickjacking, etc.
We have put a lot of effort into making the most important services operational with Content Security Policy (CSP), below are some examples that we have tested and used with Headers Security Advanced & HSTS WP:
<ul>
<li>CSP usage for Google Tag Manager 
world’s most popular tag manager</li>
<li>Using CSP for Gravatar 
Avatar service for WordPress and Social sites</li>
<li>Using CSP for WordPress Internal Media 
support WordPress media</li>
<li>Using CSP for Youtube Embedded Video SDK 
support Youtube embedded frames and JS SDK</li>
<li>CSP usage for CookieLaw 
privacy technology to meet regulatory requirements</li>
<li>CSP usage for Mailchimp 
support for Mailchimp automation, SDK and modules</li>
<li>CSP usage for Google Analytics 
support for basic conversion domains such as: stats.g.doubleclick.net and www.google.com</li>
<li>CSP usage for Google Fonts 
you’re not loading it on the page, chances are one of your SDKs is using it</li>
<li>Using CSP for Facebook 
support Facebook SDK functionality</li>
<li>Using CSP for Stripe 
highly secure online payment system</li>
<li>Using CSP for New Relic 
it’s a registration and monitoring utility</li>
<li>Using CSP for Linkedin Tags + SDKs 
support Linkedin Insight, Linkedin Ads and SDK</li>
<li>Using CSP for OneTrust 
OneTrust support helps companies manage privacy requirements</li>
<li>CSP usage for Moat 
Moat support to measurement suite such as: ad verification, brand safety, advertising and coverage</li>
<li>CSP usage for jQuery 
support of jQuery – JS library</li>
<li>CSP usage for Twitter Widgets & SDKs 
support Connect, Widgets and the Twitter client-side SDK</li>
<li>Using CSP for Google Maps 
support Google Maps as The ggpht used by streetview</li>
<li>Using CSP for Quantcast Choice 
Quantcast support for privacy such as GDPR and CCPA</li>
<li>CSP usage for Twitter Ads & Analytics 
Twitter support for advertising and Analytics</li>
<li>Using CSP for Paypal 
PayPal support for online payment system</li>
<li>Using CSP for Drift 
Drift and Driftt support</li>
<li>CSP usage for Cookiebot 
cookie and tracker support, GDPR/ePrivacy and CCPA compliance</li>
<li>CSP usage for Vimeo Embedded Videos SDK 
support frames, JS SDK, Froogaloop integration</li>
<li>Using CSP for AppNexus (now Xandr) 
AppNexus support for custom retargeting</li>
<li>Using CSP for Mixpanel 
support analytics tool with SDK/JS to collect client-side data</li>
<li>Using CSP for Font Awesome 
toolkit support for fonts and icons over CSS and Less</li>
<li>Using CSP for Google reCAPTCHA 
reCAPTCHA support for fraud and bot protection</li>
<li>CSP usage for Bootstrap CDN 
Bootstrap support for CSS frameworks</li>
<li>Using CSP for HubSpot 
Hubspot support with many features, used for monitoring and mkt functionality</li>
<li>Using CSP for Hotjar 
Hotjar tracker support for analytics and metrics</li>
<li>Using CSP for WP.com 
support for wp.com hosting</li>
<li>Using CSP for Akamai mPulse 
support for Akamai mPulse, for origin and perimeter integrations</li>
<li>CSP usage for Cloudflare – Rocket-Loader & Mirage 
support for Mirage libraries for performance acceleration</li>
<li>Using CSP for Cloudflare – CDN.js 
Cloudflare’s open CDN support with multiple libraries</li>
<li>Using CSP for jsDelivr 
support jsDelivr free CDN for Open Source</li>
</ul>
Headers Security Advanced & HSTS WP is based on the OWASP CSRF standard to protect your wordpress site. Using the OWASP CSRF standard, once the plugin is installed, you can customize CSP rules for full CSRF mitigation. The site will be secure despite having other vulnerable plugins (CSRF).
Integration with Sentry, Report URI, URIports and Datadog 
Sentry is a well-known platform for monitoring and tracking errors in applications. By integrating Sentry with our plugin, users can: 
 * Receive detailed reports on content security policy (CSP) violations. 
 * Monitor and analyze JavaScript exceptions occurring on their site. 
 * Benefit from advanced tools for proactive troubleshooting.
Monitoring and Integration with Sentry, Datadog and URI Reports for optimal security.
All Free Features 
The Headers Security Advanced & HSTS WP version includes all the free features.
We have implemented FLoC (Federated Learning of Cohorts), using best practices. First, using Headers Security Advanced & HSTS WP prevents the browser from including your site in the “cohort calculation” on FLoC (Federated Learning of Cohorts). This means that nothing can call document.interestCohort() to get the FLoC ID of the currently used client. Obviously, this does nothing outside of your currently visited site and does not “disable” FLoC on the client beyond that scope.
Even though FLoC is still fairly new and not yet widely supported, as programmers we think that privacy protection elements are important, so we choose to give you the feature of being opt out of FLoC! We’ve created a special “automatic blocking of FLoC” feature, trying to always offer the best tool with privacy protection and cyber security as main targets and focus.
Analyze your site before and after using Headers Security Advanced & HSTS WP security headers are self-configured according to HTTP Security Headers and HTTP Strict Transport Security / HSTS best practices.
<ul>
<li>Check HTTP Security Headers on <a href="https://securityheaders.com/" rel="nofollow ugc">securityheaders.com</a> </li>
<li>Check HTTP Strict Transport Security / HSTS at <a href="https://hstspreload.org/" rel="nofollow ugc">hstspreload.org</a></li>
<li>Check WebPageTest at <a href="https://www.webpagetest.org/" rel="nofollow ugc">webpagetest.org</a></li>
<li>Check HSTS test website <a href="https://gf.dev/hsts-test/" rel="nofollow ugc">gf.dev/hsts-test</a></li>
<li>Check CSP test website <a href="https://csper.io/evaluator" rel="nofollow ugc">csper.io/evaluator</a></li>
<li>Check CSP Evaluator <a href="https://csp-evaluator.withgoogle.com/" rel="nofollow ugc">csp-evaluator.withgoogle.com</a></li>
<li>CSP Content Security Policy Generator <a href="https://addons.mozilla.org/en-US/firefox/addon/content-security-policy-gen/" rel="nofollow ugc">addons.mozilla.org</a></li>
</ul>
This plugin is updated periodically, our limited support is free, we are available for your feedback (bugs, compatibility issues or recommendations for next updates). We are usually fast :-D.

Headers Security Advanced & HSTS WP


Amazing plugin, just install it already. Can't recommend enough.


10/10 recommend


I went to securityheaders and scanned my site. Then installed the Headers Security Advanced & HSTS WP plugin and immediately improved my grade from a D to an A+. Thank you!


Just install plugin and then save default options already set by plugin

Best all-in-one WordPress security plugin, uses HTTP & HSTS response headers to avoid vulnerabilities: XSS, injection, clickjacking. Force HTTP/HTTPS.

WP Secure HTTP Headers vs Headers Security Advanced & HSTS WP