Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in ThemeHunk Gutenberg Blocks – Unlimited blocks For Gutenberg allows Stored XSS.This issue affects Gutenberg Blocks – Unlimited blocks For Gutenberg: from n/a through 1.2.7.
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.