pentester.land· Feb 14, 2020· by Gal Weizman (@WeizmanGal)💰 Bounty: 12,500🔍 CVE-2019-18426

CVE-2019-18426 - WhatsApp Vulnerabilities Disclosure - Open Redirect + CSP Bypass + Persistent XSS + FS read permissions + potential for RCE

Target Program: Meta / Facebook (WhatsApp)

🎯 Vulnerability: Remote Code Execution (RCE)

💡 Defense Fix: Avoid executing shell commands via system(). Use parameterized APIs and strict input sanitization.

#RCE#Stored XSS#CSP bypass#Arbitrary file read#Open redirect#Security code review#CVE-2019-18426