yargs-parser could be tricked into adding or modifying properties of Object.prototype using a “proto” payload.
[
{
"product": "yargs-parser",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "All versions prior to version 18.1.1 and patches at 13.1.2 and 15.0.1"
}
]
}
]