It was found that the Apache Syncope EndUser UI login page prio to 2.0.15 and 2.1.6 reflects the successMessage parameters. By this mean, a user accessing the Enduser UI could execute javascript code from URL query string.
{ "nvd_published_at": "2020-05-04T13:15:00Z", "github_reviewed_at": "2021-05-25T20:49:00Z", "severity": "LOW", "github_reviewed": true, "cwe_ids": [ "CWE-79" ] }