Yamcs 5.8.6 allows XSS (issue 2 of 2). It comes with a Bucket as its primary storage mechanism. Buckets allow for the upload of any file. There's a way to upload an HTML file containing arbitrary JavaScript and then navigate to it. Once the user opens the file, the browser will execute the arbitrary JavaScript.
{
"nvd_published_at": "2023-10-19T22:15:09Z",
"severity": "MODERATE",
"github_reviewed_at": "2023-10-20T22:32:01Z",
"github_reviewed": true,
"cwe_ids": [
"CWE-79"
]
}