When unsafe-inline is allowed for script-src or style-src policies, whitelisted inline scripts/styles hashes B4yPHKaXnvFWtRChIbabYmUBFZdVfKKXHbWtWidDVF8= You can add a domain to the whitelist for a policy (like script-src, style-src, font-src and others) byĪdding a csp_whitelist.xml to your custom module’s etc folder. ĭefines the sources from which images can be loaded.ĭefines the allowable contents of web app manifests.ĭefines the sources for the, , and elements.ĭefines the sources for JavaScript elements. The following table describes each type of CSP: Policy nameĭefines which URLs can appear in a page’s element.ĭefines the sources for workers and embedded frame contents.ĭefines the sources that can be loaded using script interfaces.ĭefines valid endpoints for submission from tags.ĭefines the sources that can embed the current page.ĭefines the sources for elements such as and. For example, adding a domain to a default-src Magento provides multiple ways to add whitelisted resources to your custom code, extension, or theme.īe sure to add resources only in modules that require it.
Configure CSPs for your custom code/extension/theme
You can use the etc/config.xml file in the Magento_Csp module as a reference.ĭescribes how to create a module. Set the mode to restrict, change the value of the default/csp/mode/admin/report_onlyĪnd/or the default/csp/mode/storefront/report_only element to 0. You can set the CSP mode in a custom module by editing the module’s etc/config.xml file.
Some of these features will be disabled by default for Magento 2.4. Inline styles (CSS inside tags and style HTML attributes).Inline JavaScript (JavaScript inside tags and on HTML tags).Is already whitelisted for the script-src policy. For instance if the Magento_Paypal module is installed, AJAX requests can only be sent to the storeįor more details check the Magento/Csp/etc/config.xml file.Iframes can only include pages from the store itself.ttf files, can only be loaded from the store’s domain Once configured, Magento can enforce policies like these: Restrict mode - In this mode, Magento acts on any policy violations.īy default, CSP is configured in report-only mode, which allows merchants and developers toĬonfigure policies to work according to their custom code. There are a number of services that will collect, store, and sort your store’s CSP violations reports for you. By default, CSP violations are written to the browser console, but they can be configured to be reported to an endpoint as an HTTP request to collect logs. Report-only - In this mode, Magento reports policy violations but does not interfere. Magento also permits configuring unique CSPs for specific pages. Policies canīe configured for adminhtml and storefront areas separately to accommodate different use cases. The application level and for individual core modules that require extra configuration. (Thisįunctionality is defined in the Magento_Csp module.) Magento also provides default configurations at Magento and CSPĪs of version 2.3.5, Magento supports CSP headers and provides ways to configure them. To learn more about CSP and each individual policy. Loading a malicious style that will make users click on an element that wasn’t supposed to be on a page.A malicious inline script from sending credit card info to an attacker’s website.
Loading a malicious script from an attacker’s website.Together, CSPs and built-in browser features help prevent: Send CSPs in response HTTP headers (namely Content-Security-Policy andĬontent-Security-Policy-Report-Only) to browsers that whitelist the origins of scripts, styles,Īnd other resources. Handling outdated in-memory object statesĬontent Security Policies (CSP) are a powerful tool to mitigate against Cross Site Scripting (XSS)Īnd related attacks, including card skimmers, session hijacking, clickjacking, and more.Asynchronous Message Queue configuration files.Migrate install/upgrade scripts to declarative schema.Upload your component to the Commerce Marketplace.Roadmap for developing and packaging components.