Still logged in even after clearing browser data

Question

Before closing my browser on a shared computer, I usually clear the browser data. On StackExchange, I am still logged after clearing my data.

• open https://superuser.com/users/login
• log in with google
• visit http://chat.stackexchange.com/rooms/118/root-access
• click login link on bottom ( http://chat.stackexchange.com/login/global?returnurl=http%3a%2f%2fchat.stackexchange.com%2frooms%2f118%2froot-access )
• Now I'm logged in on chat
• Open an empty tab and close all other tabs
• press ctrl+shift+del
• mark every checkbox and clear all data
• visit gmail, not logged in
• visit superuser.com, is not logged in but gets recognized and auto logged in
• visit http://chat.stackexchange.com/rooms/118/root-access, is already logged in
• visit https://superuser.com/users/logout and clicks logout
• stops being autologged on superuser.com
• is not logged in anymore on http://chat.stackexchange.com/rooms/118/root-access

FF 20.0 on Win 7 Pro 32bits pt-br. Issue doesn't happen if I log in using Stack Exchange id. Doesn't happen on Chrome Win. Doesn't happen on FF 20 on ubuntu 12.04

Answer 1

It could be an issue of that particular brower/version/OS combination you were using. Is anyone else able to reproduce this bug locally?

As a troubleshooting step can you verify that the issue still happens if you make sure you select "Everything" as "Time range to clear"?