Multiple SQL injection vulnerabilities in GeheimChaos 0.5 and earlier allow remote attackers to execute arbitrary SQL commands via the (1) Temp_entered_login or (2) Temp_entered_email parameters to (a) gc.php, and in multiple parameters in (b) include/registrieren.php, possibly involving the (3) $form_email, (4) $form_vorname, (5) $form_nachname, (6) $form_strasse, (7) $form_plzort, (8) $form_land, (9) $form_homepage, (10) $form_bildpfad, (11) $form_profilsichtbar, (12) $Temp_sprache, (13) $form_tag, (14) $form_monat, (15) $form_jahr, (16) $Temp_akt_string, (17) $form_icq, (18) $form_msn, (19) $form_yahoo, (20) $form_username, and (21) $Temp_form_pass variables.