Unspecified vulnerability in PEAR.php in Joomla! before 1.0.11 allows remote attackers to perform "remote execution," related to "Injection Flaws."
https://exchange.xforce.ibmcloud.com/vulnerabilities/28629
http://www.vupen.com/english/advisories/2006/3408
http://www.joomla.org/content/view/1843/74/