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The Content Security Policy Header is like the guest list at a party with very important guest who require protection against threats. Absolutely nobody gets in unless they're preapproved to be let in. Use the Content Security Policy Header to protect your Joomla site from the cross-site scripting (XSS) vulnerability.




  • Video discusses how to use the Content Security Policy Header for Joomla sites.
    - Presenter introduces the topic and mentions the importance of preventing unwanted sites from showing up on a Joomla site.
    - Video sponsored by, a site management platform for Joomla and WordPress.
    - Content Security Policy (CSP) Header is a protective measure added to the htaccess file.
    - CSP allows specifying allowed sources (URLs, domains, sub-domains) to be displayed on the site.
    - Cross-script vulnerabilities are explained as threats from malicious scripts on external sites.
    - Presenter demonstrates step-by-step implementation of CSP header on a Joomla site.
    - Different sources are whitelisted in the CSP header for demonstration purposes.
    - The presenter uses the "element inspector" to showcase errors caused by restricted content.
    - The importance of knowing the site's content and updating CSP header is highlighted.
    - The video ends with a call to subscribe, stay tuned for updates, and general farewells.

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Written by:
Tim Davis is the founder and owner of Cybersalt.
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