pentester.land· Feb 12, 2023· by Florian Hauser (@frycos)XXE with Auto-Update in install4jOpen Original Article ↗📋 Copy Report☆ Save BookmarkTarget Program: Prosys OPC🎯 Vulnerability: Web Security Vulnerability💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.#XXE#Security code review