Cross-site scripting vulnerabilities (XSS) in bonsai Mozilla CVS query tool allow remote attackers to execute arbitrary web script via (1) the file, root, or rev parameters to cvslog.cgi, (2) the file or root parameters to cvsblame.cgi, (3) various parameters to cvsquery.cgi, (4) the person parameter to showcheckins.cgi, (5) the module parameter to cvsqueryform.cgi, and (6) possibly other attack vectors as identified by Mozilla bug #146244.