Multiple directory traversal vulnerabilities in Tikiwiki before 1.9.1 allow remote attackers to read arbitrary files and execute commands via (1) the suck_url parameter to tiki-editpage.php or (2) language parameter to tiki-user_preferences.php.
https://exchange.xforce.ibmcloud.com/vulnerabilities/23099
https://exchange.xforce.ibmcloud.com/vulnerabilities/23095
http://www.securityfocus.com/bid/15392
http://www.securityfocus.com/bid/15390
http://www.idefense.com/application/poi/display?id=337&type=vulnerabilities
http://www.idefense.com/application/poi/display?id=335&type=vulnerabilities