CVE-2023-40327

6.5 MEDIUM

📋 TL;DR

This CVE describes a missing authorization vulnerability in the Putler Connector for WooCommerce plugin that allows unauthenticated attackers to perform actions that should require authentication. It affects all WordPress sites using this plugin up to version 2.12.0. Attackers can exploit this to access or modify data they shouldn't have permission to view or change.

💻 Affected Systems

Products:
  • Putler Connector for WooCommerce
Versions: All versions up to and including 2.12.0
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with the vulnerable plugin activated. No special configuration required.

⚠️ 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

Unauthenticated attackers could access sensitive WooCommerce data including customer information, order details, or potentially modify plugin settings, leading to data breach or e-commerce disruption.

🟠

Likely Case

Attackers accessing customer data, order information, or modifying plugin configurations without authorization.

🟢

If Mitigated

With proper network segmentation and access controls, impact would be limited to the specific WordPress instance, though data exposure would still occur.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

The vulnerability is unauthenticated and involves broken access control, making exploitation straightforward for attackers with basic web knowledge.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.12.1 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/woocommerce-putler-connector/vulnerability/wordpress-putler-connector-for-woocommerce-plugin-2-12-0-unauthenticated-broken-access-control-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Putler Connector for WooCommerce'. 4. Click 'Update Now' if available, or download version 2.12.1+ from WordPress repository. 5. Activate the updated plugin.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate woocommerce-putler-connector

Restrict Access

linux

Use web application firewall or .htaccess to restrict access to plugin endpoints

# Add to .htaccess: RewriteRule ^wp-content/plugins/woocommerce-putler-connector/ - [F,L]

🧯 If You Can't Patch

  • Disable the Putler Connector plugin immediately
  • Implement network-level restrictions to block external access to the WordPress instance

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for 'Putler Connector for WooCommerce' version 2.12.0 or earlier

Check Version:

wp plugin get woocommerce-putler-connector --field=version

Verify Fix Applied:

Verify plugin version is 2.12.1 or later in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unusual access to /wp-content/plugins/woocommerce-putler-connector/ endpoints from unauthenticated users
  • Multiple failed authentication attempts followed by successful plugin endpoint access

Network Indicators:

  • HTTP requests to plugin-specific endpoints without authentication cookies or tokens

SIEM Query:

source="web_server" AND (uri="*woocommerce-putler-connector*" OR uri="*putler*connector*") AND (user_agent!="*bot*" OR user_agent!="*crawler*") AND status_code=200

🔗 References

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