CVE-2026-3896

MEDIUM EPSS 12.8%
Published May 27, 20261mo ago · Modified Jun 17, 20261w ago
6.4 CVSS 3.1
Medium
Find Similar
Published May 27, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
6.4
Exploitability
3.1
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
12.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-862 Missing Authorization Authorization

References 4

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/livemesh-siteorigin-widgets/tags/3.9.2/admin/admin-ajax.php#L65
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/livemesh-siteorigin-widgets/tags/3.9.2/admin/views/settings.php#L107
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/livemesh-siteorigin-widgets/tags/3.9.2/includes/helper-functions.php#L235
  • wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/a1510984-571b-49ce-9e10-129e2a1aca7b?source=cve

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.