The WooCommerce Multiple Customer Addresses & Shipping WordPress plugin before 21.7 does not ensure that the address to add/update/retrieve/delete and duplicate belong to the user making the request, or is from a high privilege users, allowing any authenticated users, such as subscriber to add/update/duplicate/delete as well as retrieve addresses of other users.
[
{
"vendor": "Unknown",
"product": "WooCommerce Multiple Customer Addresses & Shipping",
"versions": [
{
"status": "affected",
"versionType": "custom",
"version": "0",
"lessThan": "21.7"
}
],
"defaultStatus": "unaffected"
}
]