Multiple SQL injection vulnerabilities in the BookLibrary Basic (com_booklibrary) component 1.5.3 before 1.5.3_2010_06_20 for Joomla! allow remote attackers to execute arbitrary SQL commands via the bid[] parameter in a (1) lend_request or (2) save_lend_request action to index.php, the id parameter in a (3) mdownload or (4) downitsf action to index.php, or (5) the searchtext parameter in a search action to index.php.