Multiple cross-site scripting (XSS) vulnerabilities in Joomla! 1.5.7 and earlier allow remote authenticated users with certain privileges to inject arbitrary web script or HTML via (1) the title and description parameters to the com_weblinks module and (2) unspecified vectors in the com_content module related to "article submission."

Multiple SQL injection vulnerabilities in index.php in Joomla! 1.5 RC3 allow remote attackers to execute arbitrary SQL commands via (1) the view parameter to the com_content component, (2) the task parameter to the com_search component, or (3) the option parameter in a search action to the com_search component.