Topic: xss attack

hi,
i have getting xss attack error in nternet explorer.

http://www.xxxx.com/index.php/<script>alert('')</script> getting error in explorer.

<script type="text/javascript" charset="UTF-8">
/* <![CDATA[ */
try { if (undefined == xajax.config) xajax.config = {}; } catch (e) { xajax = {}; xajax.config = {}; };
xajax.config.requestURI = "http://www.xxx.com/index.php/%3Cscript% … /script%3E";
xajax.config.statusMessages = false;
xajax.config.waitCursor = true;
xajax.config.version = "xajax 0.5";
xajax.config.defaultMode = "asynchronous";
xajax.config.defaultMethod = "POST";
xajax.config.JavaScriptURI = "http://www.xxxx.com/";
/* ]]> */
</script>


can anybody help me ? thanks