Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Katz Web Services, Inc. Contact Form 7 Newsletter allows Reflected XSS.This issue affects Contact Form 7 Newsletter: from n/a through 2.2.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.