The White Label CMS WordPress plugin before 2.2.9 does not sanitise and validate the wlcms[_login_custom_js] parameter before outputting it back in the response while previewing, leading to a Reflected Cross-Site Scripting issue
[
{
"product": "White Label CMS",
"vendor": "Unknown",
"versions": [
{
"lessThan": "2.2.9",
"status": "affected",
"version": "2.2.9",
"versionType": "custom"
}
]
}
]