This advisory has been withdrawn because we cannot confirm home-assistant-frontend is or was ever published to npm.
In Home Assistant before 0.57, it is possible to inject JavaScript code into a persistent notification via crafted Markdown text, aka XSS.
{
"cwe_ids": [
"CWE-79"
],
"github_reviewed_at": "2023-07-27T20:01:42Z",
"nvd_published_at": "2017-11-10T23:29:00Z",
"severity": "MODERATE",
"github_reviewed": true
}