Page Builder KingComposer <= 2.9.6 - Open Redirect

The Page Builder KingComposer WordPress plugin through 2.9.6 does not validate the id parameter before redirecting the user to it via the kc_get_thumbn AJAX action available to both unauthenticated and authenticated users

KingComposer <= 2.9.6 - Subscriber+ Stored Cross-Site Scripting

The KingComposer WordPress plugin through 2.9.6 does not have authorisation, CSRF and sanitisation/escaping when creating profile, allowing any authenticated users to create arbitrary ones, with Cross-Site Scripting payloads in them

A reflected Cross-Site Scripting (XSS) Vulnerability in the KingComposer plugin through 2.9.4 for WordPress allows remote attackers to trick a victim into submitting an install_online_preset AJAX request containing base64-encoded JavaScript (in the kc-online-preset-data POST parameter) that is executed in the victim's browser.

The kingcomposer plugin 2.7.6 for WordPress has wp-admin/admin.php?page=kc-mapper id XSS.