Multiple cross-site scripting (XSS) vulnerabilities in Cacti 0.8.7e allow remote attackers to inject arbitrary web script or HTML via vectors related to (1) graph.php, (2) include/top_graph_header.php, (3) lib/html_form.php, and (4) lib/timespan_settings.php, as demonstrated by the (a) graph_end or (b) graph_start parameters to graph.php; (c) the date1 parameter in a tree action to graph_view.php; and the (d) page_refresh and (e) default_dual_pane_width parameters to graph_settings.php.