CVE-2026-3140 — The Ultimate Dashboard plugin for WordPress is vulnerable
CVE-2026-3140 — The Ultimate Dashboard plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.8.14. This is due to a flawed nonce validation conditional in the 'handle_module_actions' function. This makes it possible for unauthenticated attackers to
What This Means For You
- If your environment is affected by CWE-352, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-3140 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
WordPress Ultimate Dashboard Plugin Module Toggle CSRF — CVE-2026-3140
title: WordPress Ultimate Dashboard Plugin Module Toggle CSRF — CVE-2026-3140
id: scw-2026-05-01-ai-1
status: experimental
level: high
description: |
This rule detects attempts to exploit CVE-2026-3140, a Cross-Site Request Forgery vulnerability in the Ultimate Dashboard WordPress plugin. It specifically looks for POST requests to 'admin-ajax.php' containing the 'ultimate_dashboard_toggle_module' action, which is used to toggle plugin modules. This indicates an attacker is attempting to manipulate plugin settings via a forged request, potentially disabling security features or enabling malicious ones.
author: SCW Feed Engine (AI-generated)
date: 2026-05-01
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-3140/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/wp-admin/admin-ajax.php'
cs-uri-query|contains:
- 'action=ultimate_dashboard_toggle_module'
cs-method|exact:
- 'POST'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-3140 | vulnerability | CVE-2026-3140 |
| CWE-352 | weakness | CWE-352 |
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 01, 2026 at 15:16 UTC |
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