To see the bug follow the isntructions:
b./Click a table to see his contents (rows) (not the structure of the table)
c./Let phpmyadmin tab open for a long time (~1440 seconds is enough :))
d./Then go to phpmyadmin tab and click modify option of a row of the table that you allready watch it's content
e./Then you wil redirect to autherication page.Type your password and then click aply
f./Bug you go to a page that's is for insert a new row into the table...
I am ussing 3.4.5 version of phpmyadmin