CVE-2026-34889

WordPress Ultimate Addons for WPBakery Page Builder plugin < 3.21.4 - Cross Site Scripting (XSS) vulnerability

Published Apr 1, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Brainstorm Force Ultimate Addons for WPBakery Page Builder allows DOM-Based XSS.This issue affects Ultimate Addons for WPBakery Page Builder: from n/a before 3.21.4.

Remediation

Vendor Solution

Update the WordPress Ultimate Addons for WPBakery Page Builder Plugin to the latest available version (at least 3.21.4).

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Brainstormforce
Brainstormforce ultimate Addons For Wpbakery Page Builder
Wordpress
Wordpress wordpress
Vendors & Products Brainstormforce
Brainstormforce ultimate Addons For Wpbakery Page Builder
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Brainstorm Force Ultimate Addons for WPBakery Page Builder allows DOM-Based XSS.This issue affects Ultimate Addons for WPBakery Page Builder: from n/a before 3.21.4.
Title WordPress Ultimate Addons for WPBakery Page Builder plugin < 3.21.4 - Cross Site Scripting (XSS) vulnerability
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Apr 1, 2026, 1:29 PM
Reserved
Mar 31, 2026, 9:57 AM
Status
Deferred
Published
Apr 1, 2026, 9:16 AM
Modified
Oct 26, 2026, 9:10 PM