CVE-2025-48106 – This vulnerability allows attackers to upload m... (How to Fix)

📋 TL;DR

This vulnerability allows attackers to upload malicious files to websites using the Clanora WordPress theme, potentially leading to complete system compromise. It affects all WordPress installations with Clanora theme versions before 1.3.1. Attackers can exploit this without authentication to upload webshells or other dangerous files.

💻 Affected Systems

Products:

WordPress Clanora Theme

Versions: All versions before 1.3.1

Operating Systems: Any OS running WordPress

Default Config Vulnerable: ⚠️ Yes

Notes: Requires WordPress installation with Clanora theme active

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:

Review the CVE details at NVD
Check vendor security advisories for your specific version
Test if the vulnerability is exploitable in your environment
Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete server takeover via webshell upload leading to data theft, ransomware deployment, or use as attack platform

🟠

Likely Case

Website defacement, malware distribution, or credential theft through uploaded malicious scripts

🟢

If Mitigated

Limited impact if file uploads are restricted via web application firewall or server configuration

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes

Weaponized: LIKELY

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

Simple HTTP POST request with malicious file payload

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.3.1

Vendor Advisory: https://patchstack.com/database/Wordpress/Theme/clanora/vulnerability/wordpress-clanora-theme-1-3-1-arbitrary-file-upload-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Navigate to Appearance > Themes
3. Update Clanora theme to version 1.3.1 or later
4. Verify update completed successfully

🔧 Temporary Workarounds

Disable File Uploads via .htaccess

linux

Restrict PHP file uploads in upload directories

Add to .htaccess in wp-content/uploads: <Files *.php> deny from all </Files>

Web Application Firewall Rule

all

Block file uploads to vulnerable endpoints

Block POST requests containing file uploads to /wp-content/themes/clanora/

🧯 If You Can't Patch

Switch to alternative WordPress theme immediately
Implement strict file upload validation at server level

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Appearance > Themes for Clanora version

Check Version:

wp theme list --field=name,version | grep clanora

Verify Fix Applied:

Confirm Clanora theme version is 1.3.1 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

Unusual file uploads to theme directories
POST requests to /wp-content/themes/clanora/ with file parameters

Network Indicators:

HTTP POST with file uploads to theme paths
Unexpected .php files in upload directories

SIEM Query:

source="web_logs" AND (uri_path="/wp-content/themes/clanora/" AND method="POST" AND file_upload="true")

📊 Metadata

CVE ID: CVE-2025-48106

CVSS v3 Score: 10.0 (CRITICAL)

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

CWE: CWE-434

EPSS Score: 0.06% exploit probability (19.8th percentile)

Published: October 22, 2025

Last Updated: January 20, 2026

🔗 References

https://patchstack.com/database/Wordpress/Theme/clanora/vulnerability/wordpress-clanora-theme-1-3-1-arbitrary-file-upload-vulnerability?_s_id=cve

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