Stored XSS when using custom URLs.
The problem is fixed in 3.1.0
Cross-site Scripting (XSS) - Stored (CWE-79)
{ "cwe_ids": [ "CWE-79" ], "github_reviewed_at": "2021-10-08T22:31:21Z", "severity": "MODERATE", "nvd_published_at": "2020-04-16T22:15:00Z", "github_reviewed": true }