Contao before 4.5.7 has XSS in the system log.
{
"cwe_ids": [
"CWE-79"
],
"github_reviewed": true,
"github_reviewed_at": "2021-05-03T21:22:13Z",
"nvd_published_at": "2020-03-16T15:15:00Z",
"severity": "MODERATE"
}