The time and filter parameters in Fava prior to v1.22 are vulnerable to reflected cross-site scripting due to the lack of escaping of error messages which contained the parameters in verbatim.
{ "nvd_published_at": "2022-07-25T14:15:00Z", "cwe_ids": [ "CWE-79" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2022-08-06T09:34:18Z" }