CVE-2023-7268

6.5 MEDIUM

📋 TL;DR

This vulnerability in the ArtPlacer Widget WordPress plugin allows any authenticated user, including low-privilege subscribers, to delete arbitrary widgets without proper authorization checks. It affects WordPress sites using vulnerable versions of the plugin, potentially allowing malicious insiders or compromised accounts to disrupt site functionality.

💻 Affected Systems

Products:
  • ArtPlacer Widget WordPress plugin
Versions: All versions before 2.21.2
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with vulnerable plugin version and at least one authenticated user account.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Malicious authenticated users could systematically delete all widgets, causing complete loss of widget functionality and requiring manual restoration from backups.

🟠

Likely Case

Low-privilege users deleting key widgets, disrupting site layout and functionality until administrators restore them.

🟢

If Mitigated

No impact if proper authorization checks are implemented or vulnerable plugin is removed.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires authenticated access but is trivial for any authenticated user.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.21.2

Vendor Advisory: https://wpscan.com/vulnerability/9ac233dd-e00d-4aee-a41c-0de6e8aaefd7/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find ArtPlacer Widget plugin. 4. Click 'Update Now' if available, or manually update to version 2.21.2 or later.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate the ArtPlacer Widget plugin until patched

wp plugin deactivate artplacer-widget

Restrict user registration

all

Disable new user registration to limit potential attackers

In WordPress Settings > General, uncheck 'Anyone can register'

🧯 If You Can't Patch

  • Remove the ArtPlacer Widget plugin entirely if not essential
  • Implement strict user access controls and monitor widget deletion activities

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for ArtPlacer Widget version

Check Version:

wp plugin get artplacer-widget --field=version

Verify Fix Applied:

Confirm ArtPlacer Widget plugin version is 2.21.2 or higher

📡 Detection & Monitoring

Log Indicators:

  • Unusual widget deletion events from non-admin users
  • Multiple DELETE requests to widget endpoints

Network Indicators:

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

SIEM Query:

source="wordpress.log" AND ("artplacer_delete_widget" OR "widget deletion") AND user_role!="administrator"

🔗 References

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