CVE-2025-11814 - CVE House

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Status published Medium CVE-2025-11814

Ultimate Addons for WPBakery Page Builder < 3.21.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

6.4 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Matthew Rollings

References

More from Brainstorm Force

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WordPress SureDash <= 1.0.3 - Privilege Escalation Vulnerability

WordPress SureTriggers <= 1.0.82 - Privilege Escalation Vulnerability

Affected Vendor

Brainstorm Force

View all reports →

Affected Software

Ultimate Addons for WPBakery

Vulnerable Versions:

0

Timeline

Official Publish: October 16th, 2025

Last Modified: April 8th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1189 Drive-by Compromise

T1059.007 JavaScript

T1539 Steal Web Session Cookie

T1213 Data from Information Repositories

T1567 Exfiltration Over Web Service

T1491.001 Defacement