SQL injection vulnerability in the RSS page (DNNArticleRSS.aspx) in the ZLDNN DNNArticle module before 10.1 for DotNetNuke allows remote attackers to execute arbitrary SQL commands via the categoryid parameter.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2013-4958
http://www.zldnn.com/ViewArticle/Solution-for-DNNArticle-RSS-Security-Issue.aspx
http://www.securityfocus.com/bid/61788
http://www.exploit-db.com/exploits/27602