PHP remote file inclusion in eventcal/mod_eventcal.php in the event module 1.0 for Limbo CMS allows remote attackers to execute arbitrary PHP code via a URL in the lm_absolute_path parameter.
https://www.exploit-db.com/exploits/3028
https://exchange.xforce.ibmcloud.com/vulnerabilities/31124
http://www.vupen.com/english/advisories/2006/5194
http://www.securityfocus.com/archive/1/455409/100/0/threaded