feedcreator.class.php (aka the syndication component) in Joomla! 1.0.7 allows remote attackers to obtain sensitive information via a "/" (slash) in the feed parameter to index.php, which reveals the path in an error message.
https://exchange.xforce.ibmcloud.com/vulnerabilities/25028
http://www.securityfocus.com/archive/1/426538/100/0/threaded