Cross-site scripting (XSS) vulnerability in Adobe RoboHelp X5, 6, and Server 6 allows remote attackers to inject arbitrary web script or HTML via a URL after a # (hash) in the URL path, as demonstrated using en/frameset-7.html, and possibly other unspecified vectors involving templates and (1) whstart.js and (2) whcsh_home.htm in WebHelp, (3) wf_startpage.js and (4) wf_startqs.htm in FlashHelp, or (5) WindowManager.dll in RoboHelp Server 6.