SQL injection vulnerability in blogs/htsrv/viewfile.php in b2evolution 4.1.3 allows remote authenticated users to execute arbitrary SQL commands via the root parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/74457
http://www.securityfocus.com/bid/52783
http://vulnerability-lab.com/get_content.php?id=482
http://packetstormsecurity.org/files/111294/B2Evolution-CMS-4.1.3-SQL-Injection.html
http://b2evolution.net/news/2012/04/06/b2evolution-4-1-4-stable