CVE:CVE-2009-3342
CNNVD:CNNVD-200909-454
Joomla! AlphaUserPoints(com_alphauserpoints)组件1.5.2版本中的frontend/assets/ajax/checkusername.php存在SQL注入漏洞。远程攻击者可以借助username2points参数，执行任意的SQL指令。
solution:Upgrade alphaplug com_alphauserpoints to a higher version than 1.5.2,and avoid the version 1.5.2