The updateFile function in inc/core/class.dc.media.php in the Media Manager in Dotclear before 2.2.3 does not properly restrict pathnames, which allows remote authenticated users to upload and execute arbitrary PHP code via the media_path or media_file parameter. NOTE: some of these details are obtained from third party information.
http://www.arcabit.com/english/home/a-flaw-in-dotclear
http://secunia.com/advisories/44049
http://openwall.com/lists/oss-security/2011/04/15/7
http://openwall.com/lists/oss-security/2011/04/15/11
http://openwall.com/lists/oss-security/2011/04/14/8
http://openwall.com/lists/oss-security/2011/04/13/19