pentester.land· Apr 5, 2021· by Arjun Shibu (@0xsegf)Intro to Open-source Bug BountyOpen Original Article ↗📋 Copy Report☆ Save BookmarkTarget Program: Mailtrain🎯 Vulnerability: Remote Code Execution (RCE)💡 Defense Fix: Avoid executing shell commands via system(). Use parameterized APIs and strict input sanitization.#Path traversal