Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in captainform Forms by CaptainForm – Form Builder for WordPress allows Reflected XSS.This issue affects Forms by CaptainForm – Form Builder for WordPress: from n/a through 2.5.3.
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.