---
id: CVE-2026-103354
title: >-
  Improper Neutralization of Input During Web Page Generation ('Cross-site
  Scripting') vulnerability in Liquid Web / StellarWP Gutenberg Blocks by
  Kadence Blocks kadence-blocks allows Stored XSS.This issue affects Gutenberg
  Blocks by Kaden…
summary: >-
  Improper Neutralization of Input During Web Page Generation ('Cross-site
  Scripting') vulnerability in Liquid Web / StellarWP Gutenberg Blocks by
  Kadence Blocks kadence-blocks allows Stored XSS.This issue affects Gutenberg
  Blocks by Kaden…
severity: high
cvss: 7.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L'
cwe:
  - CWE-79
vendor: Liquid Web / StellarWP
product: kadence-blocks
affected:
  - kadence-blocks <= 3.7.11.1
published: '2026-10-04'
updated: '2026-10-04'
sourceUpdated: '2026-10-04T09:16:38.683'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-103354'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/kadence-blocks/vulnerability/wordpress-gutenberg-blocks-by-kadence-blocks-plugin-3-7-11-1-cross-site-scripting-xss-vulnerability?_s_id=cve
    label: audit@patchstack.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-04T08:56:28.292Z'
---

## Overview

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Liquid Web / StellarWP Gutenberg Blocks by Kadence Blocks kadence-blocks allows Stored XSS.This issue affects Gutenberg Blocks by Kadence Blocks: from n/a through 3.7.11.1.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.