CVE-2026-3140 — The Ultimate Dashboard plugin for WordPress is vulnerable

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 formats

2 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.

high T1190 Initial Access

WordPress Ultimate Dashboard Plugin Module Toggle CSRF — CVE-2026-3140

Sigma YAML — free preview
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

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Indicators of Compromise

IDTypeIndicator
CVE-2026-3140 vulnerability CVE-2026-3140
CWE-352 weakness CWE-352
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 01, 2026 at 15:16 UTC

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