Multiple cross-site scripting (XSS) vulnerabilities in WebWorks Help 2.0 through 5.0 in VMware vCenter 4.0 before Update 1 Build 208156; VMware Server 2.0.2; VMware ESX 4.0; VMware Lab Manager 2.x; VMware vCenter Lab Manager 3.x and 4.x before 4.0.1; VMware Stage Manager 1.x before 4.0.1; WebWorks Publisher 6.x through 8.x; WebWorks Publisher 2003; and WebWorks ePublisher 9.0.x through 9.3, 2008.1 through 2008.4, and 2009.x before 2009.3 allow remote attackers to inject arbitrary web script or HTML via (1) wwhelp_entry.html, reachable through index.html and wwhsec.htm, (2) wwhelp/wwhimpl/api.htm, (3) wwhelp/wwhimpl/common/html/frameset.htm, (4) wwhelp/wwhimpl/common/scripts/switch.js, or (5) the window.opener component in wwhelp/wwhimpl/common/html/bookmark.htm, related to (a) unspecified parameters and (b) messages used in topic links for the bookmarking functionality.