Cross Site Scripting (XSS)

home-assistant/core and home-assistant-js-websocket are vulnerable to XSS attack.The vulnerability occurs due to a loophole in Websocket authentication logic. The logic utilises a state parameter which contains hassurl. This mechanism enables attackers to spoof websocket responses and trigger XSS...

CVE-2023-41896: Insufficient Verification of Data Authenticity

Home assistant is an open source home automation. Whilst auditing the frontend code to identify hidden parameters, Cure53 detected authcallback=1, which is leveraged by the WebSocket authentication logic in tandem with the state parameter. The state parameter contains the hassUrl, which is...