Fatal error: PHP error in file /usr/local/www/portal/wcf/lib/system/security/plugins/xss/xss.class.php (412): Assigning the return value of new by reference is deprecated

Information:

error message: PHP error in file /usr/local/www/portal/wcf/lib/system/security/plugins/xss/xss.class.php (412): Assigning the return value of new by reference is deprecated
error code: 0
file: /usr/local/www/portal/wcf/lib/system/WCF.class.php (255)
php version: 5.3.3
wcf version: 1.0.9
date: Fri, 03 Sep 2010 10:09:22 +0000
request: /index.php?page=Thread&threadID=4000
referer:

Stacktrace:

#0 /usr/local/www/portal/wcf/lib/system/security/SecurityHandler.class.php(191): WCF::handleError(8192, 'Assigning the r...', '/usr/local/www/...', 412, Array)
#1 /usr/local/www/portal/wcf/lib/system/security/SecurityHandler.class.php(191): SecurityHandler::loadActions()
#2 /usr/local/www/portal/wcf/lib/system/security/SecurityHandler.class.php(208): SecurityHandler->loadActions()
#3 /usr/local/www/portal/wcf/lib/system/security/SecurityHandler.class.php(92): SecurityHandler->fireActions()
#4 /usr/local/www/portal/wcf/lib/system/event/listener/SecurityListener.class.php(42): SecurityHandler->extendedSystem()
#5 /usr/local/www/portal/wcf/lib/system/event/EventHandler.class.php(117): SecurityListener->execute(Object(ThreadPage), 'ThreadPage', 'readParameters')
#6 /usr/local/www/portal/wcf/lib/system/event/EventHandler.class.php(142): EventHandler::executeInheritedActions(Object(ThreadPage), 'readParameters', 'ThreadPage', 'readParameters@...')
#7 /usr/local/www/portal/wcf/lib/page/AbstractPage.class.php(44): EventHandler::fireAction(Object(ThreadPage), 'readParameters')
#8 /usr/local/www/portal/wcf/lib/page/MultipleLinkPage.class.php(54): AbstractPage->readParameters()
#9 /usr/local/www/portal/lib/page/ThreadPage.class.php(33): MultipleLinkPage->readParameters()
#10 /usr/local/www/portal/wcf/lib/page/AbstractPage.class.php(35): ThreadPage->readParameters()
#11 /usr/local/www/portal/wcf/lib/util/RequestHandler.class.php(63): AbstractPage->__construct()
#12 /usr/local/www/portal/wcf/lib/util/RequestHandler.class.php(91): RequestHandler->__construct('Thread', Array, 'page')
#13 /usr/local/www/portal/index.php(8): RequestHandler::handle(Array)
#14 {main}