The Newsletter Popup WordPress plugin through 1.2 does not sanitise and escape some parameters, which could allow unauthenticated visitors to perform Cross-Site Scripting attacks against admins
[
{
"vendor": "Unknown",
"product": "Newsletter Popup",
"versions": [
{
"status": "affected",
"versionType": "semver",
"version": "0",
"lessThanOrEqual": "1.2"
}
],
"defaultStatus": "affected"
}
]