Proof of concept
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1 Mar 2021
10 Feb 2021
How to fix?
pug to version 3.0.1 or higher.
pug is an A clean, whitespace-sensitive template language for writing HTML
Affected versions of this package are vulnerable to Remote Code Execution (RCE). If a remote attacker was able to control the pretty option of the pug compiler, e.g. if you spread a user provided object such as the query parameters of a request into the pug template inputs, it was possible for them to achieve remote code execution on the node.js backend.