pyscriptjs (aka PyScript Demonstrator) in PyScript through 2022-05-04 allows a remote user to read Python source code.Referenceshttps://cyber-guy.gitbook.io/cyber-guy/pocs/pyscript-file-readhttps://github.com/pyscript/pyscript/commits/mainhttps://cyber-guy.gitbook.io/cyber-guy/blogs/the-art-of-vulnerability-chaining-pyscripthttp://packetstormsecurity.com/files/167069/PyScript-2022-05-04-Alpha-Source-Code-Disclosure.htmlhttps://www.exploit-db.com/exploits/50918