pentester.land· Jun 5, 2020· by socket (@yxw21)💰 Bounty: 1,500Account takeover via postMessageOpen Original Article ↗📋 Copy Report☆ Save BookmarkTarget Program: -🎯 Vulnerability: Web Security Vulnerability💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.#Account takeover#postMessage