Best of 2021

The blog posts Hacker News loved most in 2021. 312 posts.

Security & Privacy
310

; Echo “Shell Injection”

This is an introductory article about shell injection, a security vulnerability allowing an attacker to execute arbitrary code on the user's machine. This is a well-studied problem, and there are simple and efficient solutions to it. It's relatively easy to design library API in such a way as to shield the application…