Multiple cross-site scripting (XSS) vulnerabilities in Php-Nuke 6.x through 7.3 allow remote attackers to inject arbitrary HTML or web script into the (1) optionbox parameter in the News module (2) date parameter in the Statistics module (3) year month and month_1 parameters in the Stories_Archive module (4) mode order and thold parameters in the Surveys module or (5) a SQL statement to index.php as processed by mainfile.php.