CVE-2025-10412

9.8 CRITICAL

📋 TL;DR

This vulnerability allows unauthenticated attackers to upload arbitrary files to WordPress servers running the Uni CPO plugin. Attackers can potentially achieve remote code execution by uploading malicious files. All WordPress sites using Uni CPO plugin versions up to 4.9.54 are affected.

💻 Affected Systems

Products:
  • Uni CPO - Product Options and Price Calculation Formulas for WooCommerce (Premium)
Versions: All versions up to and including 4.9.54
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress with WooCommerce and Uni CPO plugin installed. No special configuration needed for exploitation.

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

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete server compromise through remote code execution, leading to data theft, ransomware deployment, or website defacement.

🟠

Likely Case

Attackers upload web shells to gain persistent access, install malware, or use the server for malicious activities.

🟢

If Mitigated

File uploads blocked, but attackers may still attempt exploitation attempts visible in logs.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Unauthenticated exploitation with simple file upload bypass. Weaponization likely due to high CVSS score and WordPress plugin popularity.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.9.55 or later

Vendor Advisory: https://builderius.io/cpo/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Uni CPO plugin. 4. Click 'Update Now' if update available. 5. If no update shows, download version 4.9.55+ from vendor site and manually update.

🔧 Temporary Workarounds

Disable Uni CPO Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate uni-cpo

Web Application Firewall Rule

all

Block requests to uni_cpo_upload_file endpoint

🧯 If You Can't Patch

  • Implement strict file upload restrictions at web server level
  • Deploy web application firewall with specific rules blocking Uni CPO file upload endpoints

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Uni CPO → Version number. If version is 4.9.54 or lower, system is vulnerable.

Check Version:

wp plugin list --name=uni-cpo --field=version

Verify Fix Applied:

Confirm Uni CPO plugin version is 4.9.55 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • POST requests to /wp-admin/admin-ajax.php with action=uni_cpo_upload_file
  • Unusual file uploads to uploads/uni_cpo directory
  • PHP or executable files in upload directories

Network Indicators:

  • HTTP POST requests containing 'uni_cpo_upload_file' parameter
  • File uploads with unusual extensions (.php, .phtml, .exe) to WordPress endpoints

SIEM Query:

source="web_logs" AND uri_path="/wp-admin/admin-ajax.php" AND post_data="uni_cpo_upload_file"

🔗 References

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