Mining passwords from dozens of public Trello boards

Haythem Elmir

Trello, when an error in the publishing strategy is able to put at risk the private data of a huge community of unaware users.

A “Security enthusiastic” found a vulnerability in the Trello web management and now with a simple dork is possible to query to mine passwords from dozens of public Trello boards.

trello 2

Our story begins form @Trello Twitter account where we read:

“Trusted by millions, Trello is the visual collaboration tool that creates a shared perspective on any project.” Yes, “trusted by millions”: but those millions probably didn’t understand the meaning “Public” of the Trello Boards, which they used as  “Private” space while they are not.

In fact now, even trusting Trello, millions of users risk having their personal data exposed – including credential, private information, reserved information of their projects. In fact, they are now, while we are writing, having they sensitive data exposed on the Internet, thanks to a dork that can be easily used with Google.

The author of the discovery is Kushagra Pathak who talks about him as a Cyber-security enthusiast in his Twitter profile @xKushagra and has reported this incredible research written in his truly amazing blog post.

A few days ago, as he says, while researching a Bug Bounty program for Jiira with a simple dork like this:

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has, inputting “” in the [company_name] place, made an amazing discovery: Google query returns Trello Boards where are published every kind of information.

Giving a better look at the results he “found that a lot of individuals and companies are putting their sensitive information on their public Trello Boards.”. Yes, it’ amazing but happened: what kind of information they have put on the Trello Boards? “Information like unfixed bugs and security vulnerabilities, the credentials of their social media accounts, email accounts, server and admin dashboards”, all this has been indexed by all the search engines so they can easily find them. He twitted this.


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Mining passwords from dozens of public Trello boards

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