Create config.xml in your custom module and add below code
Vendor/Module/etc/config.xml
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Store:etc/config.xsd">
<default>
<csp>
<mode>
<storefront>
<report_only>0</report_only>
</storefront>
<admin>
<report_only>0</report_only>
</admin>
</mode>
</csp>
</default>
</config>
Add a domain to the whitelist
Create csp_whitelist.xml in your custom module and add below code
Vendor/Module/etc/csp_whitelist.xml
<?xml version="1.0"?>
<csp_whitelist xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Csp/etc/csp_whitelist.xsd">
<policies>
<policy id="script-src">
<values>
<value id="cdn.jsdelivr.net" type="host">https://cdn.jsdelivr.net/</value>
</values>
</policy>
<policy id="style-src">
<values>
<value id="fontawesome" type="host">https://fontawesome.com</value>
</values>
</policy>
<policy id="img-src">
<values>
<value id="google.co.in" type="host">https://www.google.co.in/</value>
</values>
</policy>
<policy id="connect-src">
<values>
<value id="ct.pinterest.com" type="host">https://ct.pinterest.com</value>
</values>
</policy>
<policy id="font-src">
<values>
<value id="cloudflare" type="host">https://cloudflare.com</value>
</values>
</policy>
<policy id="frame-src">
<values>
<value id="pinterest" type="host">https://pinterest.com</value>
</values>
</policy>
<policy id="form-action">
<values>
<value id="pinterest.com" type="host">https://pinterest.com</value>
</values>
</policy>
</policies>
</csp_whitelist>
