The Logo Carousel WordPress plugin before 3.4.2 allows users with a role as low as Contributor to duplicate and view arbitrary private posts made by other users via the Carousel Duplication feature
[
{
"product": "Logo Carousel – Logo Slider, Logo Showcase, and Clients Logo Gallery",
"vendor": "Unknown",
"versions": [
{
"lessThan": "3.4.2",
"status": "affected",
"version": "3.4.2",
"versionType": "custom"
}
]
}
]