Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Post Grid Team by WPXPO PostX – Gutenberg Blocks for Post Grid allows Stored XSS.This issue affects PostX – Gutenberg Blocks for Post Grid: from n/a through 4.0.1.
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.