How to find out magento versions
To find out currently running magento version check function getVersionInfo() inside Mage.php file For example: public static function getVersionInfo() { return array( ‘major’ => ‘1’, ‘minor’ => ‘9’, ‘revision’ => ‘2’, ‘patch’ => ‘1’, ‘stability’ => ”, ‘number’ => ”, ); } To find out latest security patch applied check app/etc/applied.patches.list