The WP Voting Contest WordPress plugin before 3.0 does not sanitise and escape the post_id parameter before outputting it back in the response via the wpvc_social_share_icons AJAX action (available to both unauthenticated and authenticated users), leading to a Reflected Cross-Site Scripting issue
[
{
"product": "WP Voting Contest",
"vendor": "Unknown",
"versions": [
{
"lessThan": "3.0",
"status": "affected",
"version": "3.0",
"versionType": "custom"
}
]
}
]