CVE-2026-3895
WPBakery Page Builder Addons by Livemesh <= 3.9.4 - Missing Authorization to Authenticated (Subscriber+) Stored Cross-Site Scripting
- State
- Published
- Severity
- 6.4 Medium
- Published
- May 27, 2026
- Updated
- May 27, 2026
- Reserved
- Mar 10, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N | Wordfence |
Weaknesses
- CWE-862 Missing Authorization
Affected Products
| Product | Versions |
|---|---|
WPBakery Page Builder Addons by Livemeshlivemesh |
|
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/ff0d4000-020b-4e22-9362-a8f0f5df321e?source=cve
- https://plugins.trac.wordpress.org/browser/addons-for-visual-composer/tags/3.9.4/admin/admin-ajax.php#L64
- https://plugins.trac.wordpress.org/browser/addons-for-visual-composer/tags/3.9.4/includes/helper-functions.php#L256
- https://plugins.trac.wordpress.org/browser/addons-for-visual-composer/tags/3.9.4/admin/views/settings.php#L568
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