Directory traversal vulnerability in data/inc/lib/pcltar.lib.php in Pluck 4.5.3, when register_globals is enabled, allows remote attackers to include and execute arbitrary local files via directory traversal sequences in the g_pcltar_lib_dir parameter.

More... (http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2008-6253)