Back to the (Clip)board with Microsoft Whiteboard and Excalidraw in Meta (CVE-2023-26140)
Target Program: Meta / Facebook, Microsoft (Whiteboard), Excalidraw
🎯 Vulnerability: Cross-Site Scripting (XSS)
💡 Defense Fix: Enforce Context-Aware Output Encoding, strict Content-Security-Policy (CSP), and HttpOnly cookie flags.