CVE:CVE-2009-0394
CNNVD:CNNVD-200902-041
Pre Lecture Exercises (PLEs) CMS 1.0 beta 4.2版本中的login.php存在SQL注入漏洞。远程攻击者可以借助school参数，执行任意的SQL指令。
solution:Upgrade ple_cms ple_cms to a higher version than 1.0:beta_4.2,and avoid the version 1.0:beta_4.2