http://www.securityfocus.com/bid/36808/info The 'com_jshop' component for Joomla! is prone to an SQL-injection vulnerability because it fails to sufficiently sanitize user-supplied data before using it in an SQL query. Reproducible: Always Sorry, the initial bug report is vague.
We don't ship this component, i.e. www-apps/joomla doesn't contain it.