WPBakery Page Builder Addons by Livemesh <= 3.9.4 - Missing Authorization to Authenticated (Subscriber+) Stored Cross-Site Scripting

6.4
Missing Authorization
CVE CVE-2026-3895
CVSS 6.4 (Medium)
Publicly Published May 26, 2026
Last Updated May 27, 2026
Researcher Muhammad Yudha - DJ

Description

The WPBakery Page Builder Addons by Livemesh plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `lvca_admin_ajax` AJAX action in all versions up to, and including, 3.9.4 due to missing authorization checks and insufficient input sanitization. The AJAX handler verifies a nonce but does not check user capabilities. This makes it possible for authenticated attackers with Subscriber-level access and above to modify plugin settings and inject malicious scripts that execute when administrators access the plugin settings page or when any user visits the frontend.

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Vulnerability Details for WPBakery Page Builder Addons by Livemesh

Software Type Plugin
Software Slug addons-for-visual-composer (view on wordpress.org)
Patched? No
Remediation No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Affected Version
  • <= 3.9.4

Recent vulnerabilities in WPBakery Page Builder Addons by Livemesh

# Title CVE ID CVSS Researchers Date
1 WPBakery Page Builder Addons by Livemesh <= 3.9.4 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2026-57754 6.4 timomangcut July 2, 2026
2 WPBakery Page Builder Addons by Livemesh <= 3.9.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes CVE-2026-2030 6.4 Muhammad Yudha - DJ May 26, 2026
3 Livemesh Addons for WPBakery Page Builder <= 3.9.4 - Authenticated (Editor+) Stored Cross-Site Scripting CVE-2026-24594 4.4 ZadWon January 15, 2026
4 Livemesh Addons for WPBakery Page Builder <= 3.9 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-43320 6.4 LVT-tholv2k August 16, 2024
5 Livemesh Addons for WPBakery Page Builder <= 3.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via shortcode CVE-2024-30183 6.4 Abu Hurayra (HurayraIIT) March 25, 2024
6 WPBakery Page Builder Addons by Livemesh <= 3.8.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVE-2024-2079 6.4 Krzysztof Zając March 13, 2024
7 Livemesh Addons for WPBakery Page Builder <= 3.5 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2023-50370 6.4 Abu Hurayra (HurayraIIT) December 7, 2023
8 Freemius SDK <= 2.5.9 - Reflected Cross-Site Scripting via fs_request_get CVE-2023-33999 6.1 Rafie Muhammad July 18, 2023
9 Freemius SDK <= 2.4.2 - Missing Authorization Checks CVE-2022-4974 6.3 March 4, 2022

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