Netscape 4.5 laat de inhoud van een gepost formulier in de "Temp" directory rondslingeren zodat kwaadwillenden belangrijke informatie zouden kunnen achterhalen. De posting op Slashdot verwijst naar dit artikel
The problem appears with the way Netscape handles forms. In many cases, the browser will store data entered on a FORM in C:\WINDOWS\TEMP in a NSFORM*.TMP file. This file is supposed to be deleted when its use is completed. Unfortunately, this does not happen and the file is left in the temp directory for prying eyes to see. Depending on the site you are visting and the nature of the form, you could uknowingly reveal everything from your phone number and address to your credit card and Social Security number. The only solution? Other than avoiding forms altogether, the only option is to scan the temp directory and manually delete the NSFORM*.TMP file. It is expected that the final release of Netscape Communicator 4.51 will resolve the issue. At this time, however, the 4.51 beta has the same problem.