The MF Gig Calendar WordPress plugin through 1.2.1 does not sanitise and escape some of its settings, which could allow high privilege users such as editor to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
{
    "cpes": [
        "cpe:2.3:a:mf_gig_calendar_project:mf_gig_calendar:*:*:*:*:wordpress:wordpress:*:*"
    ],
    "severity": "Medium"
}