Missing output sanitization in default RouteNotFoundError view in com.vaadin:flow-server versions 1.0.0 through 1.0.10 (Vaadin 10.0.0 through 10.0.13), and 1.1.0 through 1.4.2 (Vaadin 11.0.0 through 13.0.5) allows attacker to execute malicious JavaScript via crafted URL.
{
"nvd_published_at": "2021-04-23T16:15:00Z",
"cwe_ids": [
"CWE-79",
"CWE-81"
],
"severity": "MODERATE",
"github_reviewed_at": "2021-04-16T23:17:25Z",
"github_reviewed": true
}