The Product Stock Manager WordPress plugin before 1.0.5 does not have authorisation and proper CSRF checks in multiple AJAX actions, allowing users with a role as low as subscriber to call them. One action in particular could allow to update arbitrary options
[
{
"vendor": "Unknown",
"product": "Product Stock Manager",
"versions": [
{
"version": "1.0.5",
"status": "affected",
"lessThan": "1.0.5",
"versionType": "custom"
}
]
}
]