Works on versions older than 2.5. Due to a recent change in the way wordpress handles login cookies, many sidebar login forms no longer work properly. You will receive a “browser blocked cookie” error and the page will direct you to the wordpress default login screen. Thanks to clevermonkey, a fix has been suggested. You can check the comment #41 on this page for his original post. Basically what clevermonkey suggests is to edit the wp-login.php file located in the root of your wordpress location. Open it up in your favorite text editor ( suggestion PowerEdit ) and look around line #315. You should see this line: Replace that line with this code: That should fix your problems with cookies when logging in. *Remember: each time you upgrade wordpress you will most likely have to re-do this edit.