Multiple PHP remote file inclusion vulnerabilities in V-webmail 1.6.4 allow remote attackers to execute arbitrary PHP code via a URL in the (1) CONFIG[pear_dir] parameter to (a) Mail/RFC822.php, (b) Net/Socket.php, (c) XML/Parser.php, (d) XML/Tree.php, (e) Mail/mimeDecode.php, (f) Console/Getopt.php, (g) System.php, (h) Log.php, and (i) File.php in includes/pear/; the CONFIG[pear_dir] parameter to (j) includes/prepend.php, and (k) includes/cachedConfig.php; and the (2) CONFIG[includes] parameter to (l) prepend.php and (m) email.list.search.php in includes/.  NOTE: the CONFIG[pear_dir] parameter to includes/mailaccess/pop3.php is already covered by CVE-2006-2666.