The Special Text Boxes WordPress plugin before 5.9.110 does not sanitise or escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed.
[
{
"product": "Special Text Boxes",
"vendor": "Unknown",
"versions": [
{
"lessThan": "5.9.110",
"status": "affected",
"version": "5.9.110",
"versionType": "custom"
}
]
}
]