Geeklog 1.4.0sr2 and earlier allows remote attackers to obtain the full installation path via a direct request and possibly invalid arguments to (1) layout/professional/functions.php or (2) getimage.php.
Cross-site scripting (XSS) vulnerability in getimage.php in Geeklog 1.4.0sr2 and earlier allows remote attackers to inject arbitrary HTML or web script via the image argument in a show action.
SQL injection vulnerability in admin/auth.inc.php in Geeklog 1.4.0sr2 and earlier allows remote attackers to execute arbitrary SQL commands and bypass authentication via the loginname parameter.
SQL injection vulnerability in Geeklog 1.4.0sr2 and earlier allows remote attackers to execute arbitrary SQL commands via unknown vectors related to story submission.