Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Brevo Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue allows Reflected XSS.This issue affects Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue: from n/a through 3.1.77.
Solution:
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.