In Redmine before 3.2.6 and 3.3.x before 3.3.3, XSS exists because markup is mishandled in wiki content.
{
    "binaries": [
        {
            "binary_name": "redmine",
            "binary_version": "3.2.1-2ubuntu0.2"
        },
        {
            "binary_name": "redmine-mysql",
            "binary_version": "3.2.1-2ubuntu0.2"
        },
        {
            "binary_name": "redmine-pgsql",
            "binary_version": "3.2.1-2ubuntu0.2"
        },
        {
            "binary_name": "redmine-sqlite",
            "binary_version": "3.2.1-2ubuntu0.2"
        }
    ]
}