Hi Olivier,

I think the point is, that you could save the form locally, change the
hidden field value , and edit/overwrite other entries in the database.

Asume there is some data ACL here´s a real E.g.

Access http://www.noswad.me.uk/tutorials/posts/edit/9
save the form locally
set the form action to be an absolute url
change the hidden field value to "1"
submit the form

And you just edited entry number 1.

If we make the assumption that the user had access to edit post 9, they
just got around the restriction. This is just a trivial example to
demonstrate the question raised.

It raises another problem, which I´ve been pondering for a little
while I might aswell chip in:

If someone knows the name of a database field they shouldn´t have
access to edit, they can easily save an edit a form and update fields.

I´m still thinking about generic solutions to this generic problem ;)

Cheers,

AD7six


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