Trillian Pro 3.1 Build 121 saves a user password in clear text in a temporary file that is world readable when attempting to connect to Yahoo mail.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/39017/trillianClear.txt
Source: https://packetstormsecurity.com/files/39017/trillianClear.txt.html