The Popup by Supsystic WordPress plugin before 1.10.19 has a prototype pollution vulnerability that could allow an attacker to inject arbitrary properties into Object.prototype.
[
{
"vendor": "Unknown",
"product": "Popup by Supsystic",
"versions": [
{
"status": "affected",
"versionType": "custom",
"version": "0",
"lessThan": "1.10.19"
}
],
"defaultStatus": "unaffected",
"collectionURL": "https://wordpress.org/plugins"
}
]