OpenSolution Quick.CMS < 6.7 and Quick.Cart < 6.7 allow an authenticated user to perform code injection (and consequently Remote Code Execution) via the input fields of the Language tab.
Cross-site scripting (XSS) vulnerability in Open Solution Quick.Cms 5.0 and Quick.Cart 6.0, possibly as downloaded before December 19, 2012, allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to admin.php. NOTE: this might be a duplicate of CVE-2008-4140.