VncViewer Plugin 1.7 and earlier does not escape a parameter value in the checkVncServ form validation endpoint output.
This results in a reflected cross-site scripting (XSS) vulnerability.
VncViewer Plugin 1.8 escapes the parameter value in the output.
{
    "nvd_published_at": "2020-07-02T15:15:00Z",
    "severity": "MODERATE",
    "github_reviewed_at": "2022-12-29T00:27:48Z",
    "github_reviewed": true,
    "cwe_ids": [
        "CWE-79"
    ]
}