Multiple cross-site scripting (XSS) vulnerabilities in forum/include/error/autherror.cfm in FuseTalk Basic, Standard, Enterprise, and ColdFusion allow remote attackers to inject arbitrary web script or HTML via the (1) FTVAR_LINKP and (2) FTVAR_URLP parameters to (a) forum/include/error/autherror.cfm, and the (3) FTVAR_SCRIPTRUN parameter to (b) forum/include/common/comfinish.cfm and (c) blog/include/common/comfinish.cfm.