Check - Insecure cross domain policies
Created by: treadie
It would be good to have a module that looked for wildcard entries in the cross domain policies for both Flash and Silverlight.
Flash - /Crossdomain.xml Silverlight - /Clientaccesspolicy.xml
reference: https://www.owasp.org/index.php/Test_RIA_cross_domain_policy_%28OTG-CONFIG-008%29