CVE-2023-52176

5.3 MEDIUM

📋 TL;DR

This CVE describes an authentication bypass vulnerability in the miniorange Malware Scanner WordPress plugin that allows attackers to spoof IP addresses and bypass access control restrictions. It affects all versions up to 4.7.1, potentially allowing unauthorized access to administrative functionality.

💻 Affected Systems

Products:
  • miniorange Malware Scanner WordPress Plugin
Versions: n/a through 4.7.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations using the vulnerable plugin version. The vulnerability is in the IP restriction mechanism.

⚠️ 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 gain administrative access to the WordPress malware scanning functionality, potentially disabling security controls or accessing sensitive system information.

🟠

Likely Case

Unauthorized users could bypass IP-based restrictions to access administrative features of the malware scanner plugin.

🟢

If Mitigated

With proper network segmentation and additional authentication layers, impact would be limited to the specific plugin functionality.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

The vulnerability involves IP spoofing to bypass ACLs, which is relatively straightforward for attackers with network access.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.7.2 or later

Vendor Advisory: https://patchstack.com/database/vulnerability/miniorange-malware-protection/wordpress-malware-scanner-plugin-4-7-1-ip-restriction-bypass-vulnerability

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find 'Malware Scanner by miniOrange'. 4. Click 'Update Now' if available. 5. Alternatively, download version 4.7.2+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate miniorange-malware-protection

Network ACL Restriction

all

Implement network-level access controls to restrict access to WordPress admin interface

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to detect and block IP spoofing attempts
  • Add additional authentication factor for accessing malware scanner functionality

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Malware Scanner by miniOrange > Version. If version is 4.7.1 or earlier, system is vulnerable.

Check Version:

wp plugin get miniorange-malware-protection --field=version

Verify Fix Applied:

Verify plugin version is 4.7.2 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual IP addresses accessing /wp-admin/admin.php?page=mo_malware_scanner
  • Failed authentication attempts from unexpected locations

Network Indicators:

  • HTTP requests with spoofed X-Forwarded-For headers to WordPress admin endpoints
  • Unusual traffic patterns to malware scanner endpoints

SIEM Query:

source="wordpress.log" AND (uri_path="/wp-admin/admin.php?page=mo_malware_scanner" OR plugin="miniorange-malware-protection")

🔗 References

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