PHP-Usermm SQL注入漏洞

PHP-Usermm is a PHP user management system by MuFen Personal Developers. PHP-Usermm 37f2d24e51b04346dfc565b93fc2fc6b37bdaea9 and earlier versions suffer from a SQL injection vulnerability that stems from incorrect manipulation of the parameter Username in the file /chkuser.php, which can lead to...