vbulletin registration page has a username verification check can be abused by attackers to find the accounts that are present on the system.
Please add Recaptcha to this page to block bots from automatically querying for many usernames.
Or any other method that stops this from happening.
Please add Recaptcha to this page to block bots from automatically querying for many usernames.
Or any other method that stops this from happening.
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