title: Gwolle Guestbook < 4.2.0 - Reflected Cross-Site Scripting
description: The Gwolle Guestbook WordPress plugin before 4.2.0 does not sanitise and escape the gwolle_gb_user_email parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue in an admin page
problem types: CWE-79 Cross-site Scripting (XSS)
affected:
{
product: Gwolle Guestbook
vendor: Unknown
versions:
lessThan: 4.2.0, status: affected, version: 4.2.0, versionType: custom
}