Cross-site request forgery (CSRF) vulnerability in util.pl in @Mail WebMail 4.51, and util.php in 5.x before 5.03, allows remote attackers to modify arbitrary settings and perform unauthorized actions as an arbitrary user, as demonstrated using a settings action in the SRC attribute of an IMG element in an HTML e-mail.
Directory traversal vulnerability in compose.pl in @Mail 4.3 and earlier for Windows allows remote attackers to upload arbitrary files to arbitrary locations via a .. (dot dot) in the unique parameter.