In Home Assistant before 0.57, it is possible to inject JavaScript code into a persistent notification via crafted Markdown text, aka XSS.
{
"cpe": "cpe:2.3:a:home-assistant:home-assistant:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "0.56.2"
}
],
"source": "CPE_RANGE"
}