pentester.land· Jul 26, 2021· by zi0Black (@zi0Black)💰 Bounty: 900

Mattermost Server v5.32 > v5.36 Reflected XSS in OAuth flow

Target Program: Mattermost

🎯 Vulnerability: Cross-Site Scripting (XSS)

💡 Defense Fix: Enforce Context-Aware Output Encoding, strict Content-Security-Policy (CSP), and HttpOnly cookie flags.

#Reflected XSS#OAuth