1. What happened

In January 2022, we received a report through our bug bounty program of a vulnerability in Twitter's systems. 

As a result of the vulnerability, if someone submitted an email address or phone number to Twitter’s systems, Twitter's systems would tell the person what Twitter account the submitted email addresses or phone number was associated with, if any. 

This bug resulted from an update to our code in June 2021. When we learned about this, we immediately investigated and fixed it. At that time, we had no evidence to suggest someone had taken advantage of the vulnerability. 

2. history

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Moin2Qmail: Security/情報漏えい/twitter/what (last edited 2022-08-05 23:30:31 by ToshinoriMaeno)