This was reported on Slashdot. If you type the URL in URLbar and hit enter, you are taken to a page that looks like testpages for the Form manager/wallet feature. These should be removed, at least from release builds.
dveditz is the new module owner, reassigning.
These appear to have been removed by mkaply about a week before this bug was filed (2002-08-22, revision 1.20 of wallet's jar.mn)