Multiple directory traversal vulnerabilities in SiteX 0.7.4 Build 418 and earlier allow remote attackers to include and execute arbitrary local files via a .. (dot dot) in the THEME_FOLDER parameter to (1) Corporate/homepage.php, (2) Fusion/homepage.php, (3) Joombo/homepage.php, (4) Streamline/homepage.php, and (5) Structure/homepage.php in themes/.

More... (http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-1846)