The WP Meta SEO WordPress plugin before 4.4.7 does not sanitise or escape the breadcrumb separator before outputting it to the page, allowing a high privilege user such as an administrator to inject arbitrary javascript into the page even when unfiltered html is disallowed.
[
{
"product": "WP Meta SEO",
"vendor": "Unknown",
"versions": [
{
"lessThan": "4.4.7",
"status": "affected",
"version": "4.4.7",
"versionType": "custom"
}
]
}
]