The host is missing a security update according to MFSA 2012-97. The update is required to fix cross-site request forgery (CSRF) vulnerability. A flaw is present in the applications, which assign the system principal, rather than the sandbox principal, to XMLHttpRequest objects created in sandboxes. Successful exploitation allows remote attackers to conduct cross-site request forgery (CSRF) attacks or obtain sensitive information by leveraging a sandboxed add-on.