The Like Button Rating WordPress plugin before 2.6.45 allows any logged-in user, such as subscriber, to send arbitrary e-mails to any recipient, with any subject and body
[
{
"product": "Like Button Rating ♥ LikeBtn",
"vendor": "Unknown",
"versions": [
{
"lessThan": "2.6.45",
"status": "affected",
"version": "2.6.45",
"versionType": "custom"
}
]
}
]