The installer in VMware Workstation 7.x before 7.1.2 build 301548 and VMware Player 3.x before 3.1.2 build 301548 renders an index.htm file if present in the installation directory, which might allow local users to trigger unintended interpretation of web script or HTML by creating this file.
http://www.vupen.com/english/advisories/2010/2491
http://www.vmware.com/security/advisories/VMSA-2010-0014.html
http://securitytracker.com/id?1024481
http://secunia.com/advisories/41574
http://lists.vmware.com/pipermail/security-announce/2010/000105.html