PHP remote file inclusion vulnerability in includes/log.inc.php in Telekorn SignKorn Guestbook (SL) 1.3 and earlier, when register_globals is enabled and _SESSION[permission] parameter is set to "yes", allows remote attackers to execute arbitrary PHP code via a URL in the dir_path parameter.

Description

PHP remote file inclusion vulnerability in includes/log.inc.php in Telekorn SignKorn Guestbook (SL) 1.3 and earlier, when register_globals is enabled and _SESSION[permission] parameter is set to "yes", allows remote attackers to execute arbitrary PHP code via a URL in the dir_path parameter.