G2A Exploit

Tried to report this issue to G2A with no success. This exploit is still working after 2 months.

So basically it exploits a vulnerability in BitBay payment system to manually expire tokens and get instant refunds when paying with bitcoin.

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Guide:

https://anonymousfiles.io/oYoIYi6I/ or if the link is not working, here is another one:

http://bit.ly/2XGszWC

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Here is a video which shows how it works:

https://www.youtube.com/watch?v=sUDOAeKvsG4