The Real3D Flipbook WordPress plugin before 5.4 does not sanitize or escape several flipbook editor fields before rendering them back in the admin editor, allowing users with the Author role and abo…

Summary

The Real3D Flipbook WordPress plugin before 5.4 does not sanitize or escape several flipbook editor fields before rendering them back in the admin editor, allowing users with the Author role and above to inject arbitrary web scripts that execute in the browser of any user who later opens the affected flipbook for editing, including administrators.