SQL injection vulnerability in Akarru Social BookMarking Engine before 0.4.3.4 allows remote attackers to execute arbitrary SQL commands via unknown attack vectors, possibly involving the username parameter to akarru.lib/users.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/25115
http://www.vupen.com/english/advisories/2006/0841
http://www.securityfocus.com/bid/16989
http://sourceforge.net/project/shownotes.php?release_id=398713&group_id=155783