CVE-2023-31214

5.4 MEDIUM

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the WP Quick Post Duplicator WordPress plugin that allows attackers to exploit incorrectly configured access controls. Attackers can perform actions they shouldn't be authorized to perform, affecting all WordPress sites using vulnerable versions of this plugin.

💻 Affected Systems

Products:
  • WP Quick Post Duplicator WordPress Plugin
Versions: All versions up to and including 2.0
Operating Systems: Any OS 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

Unauthorized users could duplicate, modify, or delete posts/pages, potentially defacing websites or disrupting content management.

🟠

Likely Case

Low-privileged users (like subscribers) could duplicate or manipulate content beyond their intended permissions.

🟢

If Mitigated

With proper access controls and authentication, only authorized administrators can perform duplication actions.

🌐 Internet-Facing: HIGH - WordPress sites are typically internet-facing, and the vulnerability affects web-accessible functionality.
🏢 Internal Only: LOW - This is primarily an internet-facing web application vulnerability.

🎯 Exploit Status

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

Exploitation requires some level of access (at least subscriber role) but bypasses intended authorization checks.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Versions after 2.0

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wp-quick-post-duplicator/vulnerability/wordpress-wp-quick-post-duplicator-plugin-1-0-broken-access-control-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel
2. Go to Plugins → Installed Plugins
3. Find WP Quick Post Duplicator
4. Click 'Update Now' if available
5. If no update available, deactivate and delete the plugin

🔧 Temporary Workarounds

Disable Plugin

all

Deactivate the vulnerable plugin to prevent exploitation

wp plugin deactivate wp-quick-post-duplicator

Remove Plugin Files

linux

Completely remove the plugin files from the WordPress installation

rm -rf /path/to/wordpress/wp-content/plugins/wp-quick-post-duplicator/

🧯 If You Can't Patch

  • Implement strict role-based access controls using WordPress capabilities management plugins
  • Monitor and audit user actions related to post duplication and modification

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for WP Quick Post Duplicator version 2.0 or earlier

Check Version:

wp plugin get wp-quick-post-duplicator --field=version

Verify Fix Applied:

Verify plugin version is higher than 2.0 or plugin is completely removed

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized POST requests to wp-quick-post-duplicator endpoints
  • Multiple post duplication actions from non-admin users

Network Indicators:

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

SIEM Query:

source="wordpress.log" AND ("wp-quick-post-duplicator" OR "duplicate_post") AND user_role!="administrator"

🔗 References

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