Cahier de texte 2.0 stores sensitive information under the web root, possibly with insufficient access control, which might allow remote attackers to obtain all users' passwords via a direct request for administration/dump.sql.
http://www.vupen.com/english/advisories/2006/4701
http://www.securityfocus.com/bid/21283
http://www.securityfocus.com/archive/1/452600/100/0/threaded