CVE-2024-12538

4.3 MEDIUM

📋 TL;DR

The Duplicate Post WordPress plugin allows authenticated users with Contributor-level access or higher to view sensitive content from draft, scheduled, private, and password-protected posts. This vulnerability exposes potentially confidential information that should remain restricted. WordPress sites using vulnerable plugin versions are affected.

💻 Affected Systems

Products:
  • Duplicate Post, Page and Any Custom Post WordPress plugin
Versions: All versions up to and including 3.5.3
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin enabled. Contributor role or higher access needed for exploitation.

⚠️ 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Attackers could extract sensitive business information, unpublished content, confidential communications, or proprietary data from restricted posts, leading to data breaches or competitive intelligence gathering.

🟠

Likely Case

Malicious contributors or compromised accounts accessing unpublished content, potentially exposing editorial workflows, future announcements, or confidential draft materials.

🟢

If Mitigated

With proper access controls and monitoring, impact is limited to authorized users who already have some level of access, though they shouldn't be able to view all post types.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires authenticated access but is straightforward once credentials are obtained. The vulnerability is in a publicly accessible function.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.5.4 or later

Vendor Advisory: https://plugins.trac.wordpress.org/browser/duplicate-pp/trunk/duplicate-pp.php#L22

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Duplicate Post, Page and Any Custom Post'. 4. Click 'Update Now' if available. 5. Alternatively, download version 3.5.4+ from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Temporary Plugin Deactivation

all

Disable the vulnerable plugin until patched

wp plugin deactivate duplicate-pp

Role Restriction

all

Temporarily restrict Contributor role access or review user permissions

🧯 If You Can't Patch

  • Implement strict access controls and monitor user activity, especially from Contributor roles
  • Consider removing the plugin entirely and using alternative duplication methods

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for 'Duplicate Post, Page and Any Custom Post' version 3.5.3 or earlier

Check Version:

wp plugin get duplicate-pp --field=version

Verify Fix Applied:

Verify plugin version is 3.5.4 or later in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unusual access patterns to draft/private posts from Contributor accounts
  • Multiple duplicate operations in short timeframes

Network Indicators:

  • POST requests to /wp-admin/admin-ajax.php with action=dpp_duplicate_as_draft

SIEM Query:

source="wordpress.log" AND (action="dpp_duplicate_as_draft" OR plugin="duplicate-pp")

🔗 References

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