[wp-trac] [WordPress Trac] #7673: why add global groups in wp?

[WordPress Trac]

#7673: why add global groups in wp?
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 Reporter:  tmcookies  |       Owner:  anonymous
     Type:  defect     |      Status:  new      
 Priority:  high       |   Milestone:  2.6.2    
Component:  Security   |     Version:           
 Severity:  major      |    Keywords:           
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 wp-settings.php adds the following global groups to the cache object:
 users, userlogins and usermeta. This means, that all the userlogins are
 saved at the same spot for different wp-installations on one server
 resulting in a leakage. I think this setting only makes sense in wpmu, but
 not in normal wp, since user data isn't global across multiple wp-
 installations.

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Ticket URL: <http://trac.wordpress.org/ticket/7673>
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