---
id: CVE-2025-11814
title: >-
  The Ultimate Addons for WPBakery plugin for WordPress is vulnerable to Stored
  Cross-Site Scripting in all versions up to 3.21.1 (exclusive) due to
  insufficient input sanitization and output escaping
summary: >-
  The Ultimate Addons for WPBakery plugin for WordPress is vulnerable to Stored
  Cross-Site Scripting in all versions up to 3.21.1 (exclusive) due to
  insufficient input sanitization and output escaping. This makes it possible
  for unauthenti…
severity: medium
cvss: 6.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
published: '2025-10-16'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T11:10:00.250'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-11814'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/ultimate_vc_addons/vulnerability/wordpress-ultimate-addons-for-wpbakery-page-builder-plugin-3-21-1-cross-site-scripting-xss-vulnerability
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/1f41101c-c54f-4e97-a0fb-79a17d5f0929?source=cve
    label: security@wordfence.com
tags:
  - nvd
epss: 0.00295
epssPercentile: 0.20275
ingestedAt: '2026-10-08T11:31:27.446Z'
---

## Overview

The Ultimate Addons for WPBakery plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to 3.21.1 (exclusive) due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

## Remediation

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