CVE-2025-43838

6.5 MEDIUM

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in ChoPlugins Custom PC Builder Lite for WooCommerce WordPress plugin. It allows attackers to change plugin settings without proper authentication, potentially modifying how the PC builder functions. All WordPress sites using affected versions of this plugin are vulnerable.

💻 Affected Systems

Products:
  • ChoPlugins Custom PC Builder Lite for WooCommerce
Versions: n/a through 1.0.1
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: This is a WordPress plugin vulnerability affecting any WordPress installation with the vulnerable plugin version.

⚠️ 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

Attackers could modify PC builder configuration, pricing rules, or component availability, potentially enabling fraudulent transactions or disrupting e-commerce operations.

🟠

Likely Case

Unauthorized users could alter plugin settings, changing how the PC builder appears or functions on the website.

🟢

If Mitigated

With proper access controls, only authenticated administrators could modify plugin settings.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

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

Based on CWE-862 and the description, this appears to be an unauthenticated settings change vulnerability.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after 1.0.1

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/custom-pc-builder-lite-for-woocommerce/vulnerability/wordpress-custom-pc-builder-lite-for-woocommerce-1-0-1-settings-change-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Custom PC Builder Lite for WooCommerce'. 4. Click 'Update Now' if update available. 5. If no update, deactivate and remove plugin, then install latest version from WordPress repository.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate the plugin until patched version is available

wp plugin deactivate custom-pc-builder-lite-for-woocommerce

Restrict access to admin endpoints

linux

Use web application firewall or .htaccess to block unauthorized access to plugin admin endpoints

# Add to .htaccess: RewriteCond %{REQUEST_URI} ^/wp-content/plugins/custom-pc-builder-lite-for-woocommerce.*admin.* [NC]\nRewriteRule ^ - [F]

🧯 If You Can't Patch

  • Remove the plugin entirely and use alternative PC builder solutions
  • Implement strict network access controls to limit who can access WordPress admin functionality

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin > Plugins > Installed Plugins for 'Custom PC Builder Lite for WooCommerce' version 1.0.1 or earlier

Check Version:

wp plugin get custom-pc-builder-lite-for-woocommerce --field=version

Verify Fix Applied:

Verify plugin version is greater than 1.0.1 in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized POST requests to plugin admin endpoints
  • Unexpected changes to plugin settings in database

Network Indicators:

  • Unusual traffic to /wp-content/plugins/custom-pc-builder-lite-for-woocommerce/admin/* endpoints from unauthenticated sources

SIEM Query:

source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" OR uri_path CONTAINS "/custom-pc-builder-lite-for-woocommerce/") AND http_method="POST" AND user_agent NOT CONTAINS "wp-admin"

🔗 References

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