CVE-2024-13382
📋 TL;DR
This vulnerability in the Calculated Fields Form WordPress plugin allows administrators to inject malicious scripts into plugin settings, which then execute when other users view affected pages. It affects WordPress sites using vulnerable plugin versions, particularly in multisite configurations where unfiltered_html is restricted.
💻 Affected Systems
- Calculated Fields Form WordPress plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Administrator account compromise leads to site takeover, data theft, or malware distribution to visitors.
Likely Case
Privileged user injects scripts to steal session cookies, redirect users, or deface pages.
If Mitigated
Limited to authenticated admin users only, reducing attack surface significantly.
🎯 Exploit Status
Exploitation requires admin-level access; no public exploit code identified at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.2.64
Vendor Advisory: https://wpscan.com/vulnerability/925de4af-fc71-45ae-8454-7e4f70be13ca/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Calculated Fields Form'. 4. Click 'Update Now' if available, or manually update to version 5.2.64 or later.
🔧 Temporary Workarounds
Temporary Plugin Deactivation
allDisable the plugin until patched to prevent exploitation.
wp plugin deactivate calculated-fields-form
🧯 If You Can't Patch
- Restrict admin access to trusted users only and monitor admin activity logs.
- Implement Content Security Policy (CSP) headers to mitigate XSS impact.
🔍 How to Verify
Check if Vulnerable:
Check plugin version in WordPress admin under Plugins > Installed Plugins.Check Version:
wp plugin get calculated-fields-form --field=versionVerify Fix Applied:
Confirm plugin version is 5.2.64 or later in the plugin details.📡 Detection & Monitoring
Log Indicators:
- Unusual admin activity modifying plugin settings, especially with script-like payloads.
Network Indicators:
- Unexpected script tags in HTTP responses from plugin-related pages.
SIEM Query:
source="wordpress.log" AND "Calculated Fields Form" AND "updated" OR "modified"