Tikiwiki 1.9.5 allows remote attackers to obtain sensitive information (MySQL username and password) via an empty sort_mode parameter in (1) tiki-listpages.php (2) tiki-lastchanges.php (3) messu-archive.php (4) messu-mailbox.php (5) messu-sent.php (6) tiki-directory_add_site.php (7) tiki-directory_ranking.php (8) tiki-directory_search.php (9) tiki-forums.php (10) tiki-view_forum.php (11) tiki-friends.php (12) tiki-list_blogs.php (13) tiki-list_faqs.php (14) tiki-list_trackers.php (15) tiki-list_users.php (16) tiki-my_tiki.php (17) tiki-notepad_list.php (18) tiki-orphan_pages.php (19) tiki-shoutbox.php (20) tiki-usermenu.php and (21) tiki-webmail_contacts.php which reveal the information in certain database error messages.