CVE-2023-4730

5.3 MEDIUM

📋 TL;DR

The LadiApp WordPress plugin versions up to 4.3 contain an authentication bypass vulnerability that allows unauthenticated attackers to modify plugin settings. By changing the 'ladipage_key' setting, attackers can create new posts and inject malicious scripts. This affects all WordPress sites using vulnerable versions of the LadiApp plugin.

💻 Affected Systems

Products:
  • LadiApp WordPress Plugin
Versions: All versions up to and including 4.3
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with the LadiApp plugin installed and activated.

⚠️ 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 site takeover through persistent malicious script injection, leading to data theft, malware distribution, or defacement.

🟠

Likely Case

Unauthorized post creation with malicious scripts, potentially compromising site visitors or establishing backdoors.

🟢

If Mitigated

Limited impact if proper web application firewalls and monitoring are in place to detect unauthorized changes.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Direct HTTP requests to vulnerable endpoints can trigger the vulnerability without authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.4 or later

Vendor Advisory: https://plugins.trac.wordpress.org/browser/ladipage/trunk/ladipage.php

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find LadiApp plugin. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 4.4+ from WordPress repository and replace files.

🔧 Temporary Workarounds

Disable LadiApp Plugin

all

Temporarily disable the vulnerable plugin until patched.

wp plugin deactivate ladipage

Web Application Firewall Rule

all

Block requests to vulnerable endpoints.

Add WAF rule to block requests containing 'ladipage_key' parameter

🧯 If You Can't Patch

  • Implement strict network access controls to limit plugin administration endpoints
  • Enable comprehensive logging and monitoring for unauthorized post creation attempts

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel for LadiApp plugin version. If version is 4.3 or lower, system is vulnerable.

Check Version:

wp plugin list --name=ladipage --field=version

Verify Fix Applied:

Confirm LadiApp plugin version is 4.4 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized POST requests to WordPress admin-ajax.php with ladipage_key parameter
  • Sudden increase in post creation by unknown users

Network Indicators:

  • HTTP requests to /wp-admin/admin-ajax.php with action parameters related to LadiApp

SIEM Query:

source="wordpress.log" AND ("ladipage_key" OR "init_endpoint")

🔗 References

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