CVE-2024-6506

8.2 HIGH

📋 TL;DR

CVE-2024-6506 is an information exposure vulnerability in the MRW plugin version 5.4.3 that allows remote attackers to access other customers' order information including names and phone numbers, and to create or overwrite shipping labels. This affects WordPress sites using the vulnerable MRW plugin version. Attackers can exploit this without authentication to steal sensitive customer data.

💻 Affected Systems

Products:
  • MRW WordPress Plugin
Versions: 5.4.3
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the MRW plugin specifically at version 5.4.3. Other versions may be unaffected.

⚠️ 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

Mass data breach exposing all customer PII (names, phone numbers, addresses), fraudulent shipping label creation leading to package theft or misdirection, and potential regulatory fines for data protection violations.

🟠

Likely Case

Targeted data harvesting of customer information for spam, phishing, or identity theft, and manipulation of shipping labels for small-scale fraud.

🟢

If Mitigated

Limited exposure if plugin is behind authentication or network controls, but core vulnerability remains exploitable by determined attackers.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

The vulnerability description suggests remote unauthenticated access to sensitive functionality, making exploitation straightforward for attackers who discover the vulnerable endpoint.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Unknown (check for updates beyond 5.4.3)

Vendor Advisory: https://www.incibe.es/en/incibe-cert/notices/aviso/information-exposure-vulnerability-mrw-plug

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find MRW plugin and check for available updates. 4. Update to the latest version. 5. Verify the plugin version is no longer 5.4.3.

🔧 Temporary Workarounds

Disable MRW Plugin

all

Temporarily deactivate the vulnerable plugin until a patch is applied.

wp plugin deactivate mrw

Restrict Access via Web Application Firewall

all

Block requests to the mrw_log functionality using WAF rules.

🧯 If You Can't Patch

  • Disable the MRW plugin immediately to prevent exploitation.
  • Implement network segmentation to isolate the WordPress instance from untrusted networks.

🔍 How to Verify

Check if Vulnerable:

Check the MRW plugin version in WordPress admin under Plugins > Installed Plugins. If version is 5.4.3, the system is vulnerable.

Check Version:

wp plugin get mrw --field=version

Verify Fix Applied:

After updating, confirm the plugin version is no longer 5.4.3 and test that the mrw_log functionality is no longer accessible without proper authentication.

📡 Detection & Monitoring

Log Indicators:

  • Unusual access patterns to mrw_log endpoints in WordPress or web server logs
  • Multiple failed or successful requests to plugin-specific URLs from unexpected IPs

Network Indicators:

  • HTTP requests to paths containing 'mrw_log' from external sources
  • Unexpected data exfiltration to external IPs

SIEM Query:

source="web_server_logs" AND uri="*mrw_log*" AND src_ip NOT IN (trusted_ips)

🔗 References

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