The Copyright Proof WordPress plugin through 4.16 does not sanitise and escape a parameter before outputting it back via an AJAX action available to both unauthenticated and authenticated users, leading to a Reflected Cross-Site Scripting when a specific setting is enabled.
[
{
"product": "Copyright Proof",
"vendor": "Unknown",
"versions": [
{
"lessThanOrEqual": "4.16",
"status": "affected",
"version": "4.16",
"versionType": "custom"
}
]
}
]