PHP remote file inclusion vulnerability in server.php in the Hashcash Component (com_hashcash) 1.2.1 for Joomla! allows remote attackers to execute arbitrary PHP code via a URL in the mosConfig_absolute_path parameter.
https://www.exploit-db.com/exploits/2026
https://exchange.xforce.ibmcloud.com/vulnerabilities/27720
http://www.vupen.com/english/advisories/2006/2802