The Sitewide Notice WP WordPress plugin before 2.3 does not sanitise some of its settings before outputting them in frontend pages, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
[
{
"product": "Sitewide Notice WP",
"vendor": "Unknown",
"versions": [
{
"lessThan": "2.3",
"status": "affected",
"version": "2.3",
"versionType": "custom"
}
]
}
]