Gwolle Guestbook Security Vulnerabilities

CVE-2017-20089

A vulnerability was found in Gwolle Guestbook Plugin 1.7.4. It has been rated as problematic. This issue affects some unknown processing. The manipulation leads to basic cross site scripting. The attack may be initiated...

CVE-2021-24980

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...