The Custom Field Template WordPress plugin before 2.5.8 unserialises the content of an imported file, which could lead to PHP object injections issues when a high privilege user import (intentionally or not) a malicious Customizer Styling file and a suitable gadget chain is present on the blog.
[
{
"vendor": "Unknown",
"product": "Custom Field Template",
"versions": [
{
"status": "affected",
"versionType": "custom",
"version": "0",
"lessThan": "2.5.8"
}
],
"defaultStatus": "unaffected",
"collectionURL": "https://wordpress.org/plugins"
}
]