The day after upgrading http://selfbus.myxwiki.org to 8.2.1, I found a
handful of spammer accounts that were created as local users in the wiki.
The wiki was configured to
* Only an admin can send invitations to join this wiki
* Both global and local users are available in the wiki
Interestingly this still allows new users to be registered.
Also strange is that the registration captcha does not show as it should
The wiki is now set to allow only global users, so there is no immediate
I only wanted to report my observations, as it looks like a bug in xwiki
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