CVE 2009-4896
Multiple directory traversal vulnerabilities in the mlmmj-php-admin web interface for Mailing List Managing Made Joyful (mlmmj) 1.2.15 through 1.2.17 allow remote authenticated users to overwrite, create, or delete arbitrary files, or determine the existence of arbitrary directories, via a .. (dot dot) in a list name in a (1) edit or (2) save action.
See the 
CVE page on Mitre.org
for more details.
