Cross-site scripting (XSS) vulnerability in PHP Gift Registry 1.3.5 and earlier allows remote attackers to inject arbitrary web script or HTML via the message parameter to (1) event.php or (2) index.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/18412
http://www.securityfocus.com/bid/11879
http://sourceforge.net/project/shownotes.php?release_id=288731
http://secunia.com/advisories/13414
http://cvs.sourceforge.net/viewcvs.py/phpgiftreg/src/index.php?r1=1.20&r2=1.21
http://cvs.sourceforge.net/viewcvs.py/phpgiftreg/src/event.php?r1=1.4&r2=1.5