When using the file uploads feature, it was possible to upload PHP files.
The vulnerability is fixed in v3.1.2.
{
    "nvd_published_at": "2023-11-13T20:15:28Z",
    "severity": "HIGH",
    "github_reviewed_at": "2023-11-14T18:48:51Z",
    "github_reviewed": true,
    "cwe_ids": [
        "CWE-434"
    ]
}