Cross-zone scripting vulnerability in the HandleAction method in a certain ActiveX control in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.5, and RealPlayer Enterprise 2.1.2 allows remote attackers to inject arbitrary web script or HTML in the Local Zone by specifying a local file in a NavigateToURL action, as demonstrated by a local skin file.