The Companion Sitemap Generator WordPress plugin before 4.5.3 does not sanitise and escape some parameters before outputting them back in pages, leading to Reflected Cross-Site Scripting which could be used against high privilege users such as admin.
[
{
"vendor": "Unknown",
"product": "Companion Sitemap Generator",
"versions": [
{
"status": "affected",
"versionType": "custom",
"version": "0",
"lessThan": "4.5.3"
}
],
"defaultStatus": "unaffected",
"collectionURL": "https://wordpress.org/plugins"
}
]