The Hummingbird WordPress plugin before 3.3.2 does not sanitise and escape the Config Name, which could allow high privilege users, such as admin to perform cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
[
{
"product": "Hummingbird – Optimize Speed, Enable Cache, Minify CSS & Defer Critical JS",
"vendor": "Unknown",
"versions": [
{
"lessThan": "3.3.2",
"status": "affected",
"version": "3.3.2",
"versionType": "custom"
}
]
}
]