BlockBlock offers a chat application where the database is built on the blockchain using smart contracts. I’ll abuse a cross-site scripting vulnerability along with an api endpoint that reflects the user’s authentication cookie to get access to the admin’s account. From there, I’ll figure out how to make JSON RPC calls against the local Etherium instance, and read the raw blocks of the blockchain to find a password that provides SSH access. The user can run forge as another user, whic...| 0xdf hacks stuff
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HTTP is important on the web, but as other alternative protocols grow popular in networked applications, it's often important to be able to…| httptoolkit.com