Cross-site scripting (XSS) vulnerability in actions/add.php in InTerra Blog Machine 1.84, and possibly earlier versions, allows remote attackers to inject arbitrary web script or HTML via the subject parameter to post_url/edit.
https://exchange.xforce.ibmcloud.com/vulnerabilities/66562
http://www.securityfocus.com/archive/1/517271/100/0/threaded
http://www.htbridge.ch/advisory/xss_vulnerability_in_interra_blog_machine.html