Cross-site scripting (XSS) vulnerability in blogs/blog1.php in b2evolution 4.1.3 allows remote attackers to inject arbitrary web script or HTML via the message body.
https://exchange.xforce.ibmcloud.com/vulnerabilities/74458
http://www.securityfocus.com/bid/52783
http://vulnerability-lab.com/get_content.php?id=482
http://b2evolution.net/news/2012/04/06/b2evolution-4-1-4-stable