Simple Machines Forum (SMF) before 1.1.19 and 2.x before 2.0.6 allows remote attackers to conduct clickjacking attacks via an X-Frame-Options header.Referenceshttp://www.openwall.com/lists/oss-security/2013/12/30/1http://www.openwall.com/lists/oss-security/2013/12/30/3http://seclists.org/fulldisclosure/2013/Dec/83http://www.jakoblell.com/blog/2013/12/13/multiple-vulnerabilities-in-smf-forum-software/http://download.simplemachines.org/index.php?thanks%3Bfilename=smf_2-0-6_changelog.txt