SQL injection vulnerability in usersettings.php in e107 0.7.26, and possibly other versions before 1.0.0, allows remote attackers to execute arbitrary SQL commands via the username parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/72011
http://www.securityfocus.com/bid/51253
http://www.openwall.com/lists/oss-security/2012/01/04/3