rev 2020.11.4.37952, Stack Overflow works best with JavaScript enabled, Where developers & technologists share private knowledge with coworkers, Programming & related technical career opportunities, Recruit tech talent & build your employer brand, Reach developers & technologists worldwide. * - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}] # Added by me # Apply a CSP to all HTML and PHP files

More information in our, support all or nearly all Level 2 directives, Know Your Web Application Risks with Netsparker’s Kenna Integration, Insecure Direct Object Reference (IDOR) Vulnerabilities in Brief, Privileged Access Management and Netsparker, Netsparker Named an October 2020 Gartner Peer Insights Customers’ Choice for Application Security Testing, Using Content Security Policy to Secure Web Applications. votes: 372, joined:Feb 7, 2017 It’s less necessary if your site doesn’t use third-party scripts, fonts, media, widgets or analytics but can you be sure it never will? To improve security for older websites with lots of legacy HTTP pages, you can use the upgrade-insecure-requests directive to rewrite insecure URLs. I'm trying to set my Content-Security-Policy header in .htaccess. Response Header from xfbml.customerchat.js. Content-Security-Policy .htaccess frame-ancestor, https://www.facebook.com/v5.0/plugins/custo, https://developers.facebook.com/docs/messenger-platform/discovery/customer-chat-plugin/, Podcast 283: Cleaning up the cloud to help fight climate change, Creating new Help Center documents for Review queues: Project overview, Review queue Help Center draft: Triage queue, Refused to display… frame-ancestors https://www.facebook.com. This is why CSP also blocks all string evaluation functionality by default, including eval(), new Function(), setTimeout([string]), and similar constructs. Blocked resource warnings will be reported, e.g. Netsparker runs over 20 detailed checks to ensure that directives use correct syntax combined with values that provide effective security. It’s defined using a Content-Security-Policy HTTP header set by a server-side language (PHP, Node.js, Ruby etc.) The web is based on a “same-origin” policy. It didn't solve my problem. You can add Content-Security-Policy security header to your WordPress site by configuring the .htaccess file (Apache). Now that Content Security Policy is a W3C Canidate Recommendation we should give a cross browser standard security policy in .htaccess for users to use as a template. To use a script nonce, specify it in the