SQL Injection exists in the Visual Calendar 3.1.3 component for Joomla! via the id parameter in a view=load action.
Directory Traversal exists in the Picture Calendar 3.1.4 component for Joomla! via the list.php folder parameter.
SQL Injection exists in the CP Event Calendar 3.0.1 component for Joomla! via the id parameter in a task=load action.