The Paid Memberships Pro WordPress plugin before 2.6.6 does not escape the s parameter before outputting it back in an attribute in an admin page, leading to a Reflected Cross-Site Scripting
[
{
"product": "Paid Memberships Pro",
"vendor": "Unknown",
"versions": [
{
"lessThan": "2.6.6",
"status": "affected",
"version": "2.6.6",
"versionType": "custom"
}
]
}
]