Multiple SQL injection vulnerabilities in aliTalk 1.9.1.1, when magic_quotes_gpc is disabled, allow remote authenticated users to execute arbitrary SQL commands via (1) the mohit parameter to (a) inc/receivertwo.php; and allow remote attackers to execute arbitrary SQL commands via (2) the id parameter to (b) inc/usercp.php, related to functionz/usercp.php; or (3) the username parameter to (c) admin/index.php, related to functionz/first_process.php, or (d) index.php.  NOTE: some of these details are obtained from third party information.