6.4
/ 10
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Description
The Livemesh SiteOrigin Widgets plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `lsow_admin_ajax` AJAX action in all versions up to, and including, 3.9.2 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.
Basic Information
ID
CVE-2026-3896
Source
Wordfence
Published
May 27, 2026 at 06:46
Affected Product
Vendor
livemesh
Product
Livemesh SiteOrigin Widgets
Affected Versions
livemesh Livemesh SiteOrigin Widgets 0
CWE Classification
References
- www.wordfence.com /threat-intel/vulnerabilities/id/a1510984-571b-49ce-9e10-129e2a1aca7b
- plugins.trac.wordpress.org /browser/livemesh-siteorigin-widgets/tags/3.9.2/admin/admin-ajax.php
- plugins.trac.wordpress.org /browser/livemesh-siteorigin-widgets/tags/3.9.2/includes/helper-functions.php
- plugins.trac.wordpress.org /browser/livemesh-siteorigin-widgets/tags/3.9.2/admin/views/settings.php