CVE-2026-25368
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the Calculated Fields Form WordPress plugin that allows attackers to bypass access controls. It affects all versions up to and including 5.4.4.1, potentially enabling unauthorized access to restricted functionality. WordPress sites using this plugin are vulnerable.
💻 Affected Systems
- Calculated Fields Form WordPress Plugin
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could modify form data, access sensitive information submitted through forms, or manipulate form behavior to compromise site integrity.
Likely Case
Unauthorized users could access or modify form submissions, potentially exposing PII or other sensitive data collected through forms.
If Mitigated
With proper authorization checks, only authenticated users with appropriate permissions could access form functionality.
🎯 Exploit Status
Missing authorization vulnerabilities are typically easy to exploit once discovered, and WordPress plugins are common targets.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 5.4.4.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Calculated Fields Form' and check for updates. 4. Update to version 5.4.4.2 or later. 5. Verify the update completed successfully.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate calculated-fields-form
Restrict Access
allImplement web application firewall rules to restrict access to plugin endpoints
🧯 If You Can't Patch
- Implement strict network segmentation to isolate the WordPress instance
- Deploy a WAF with rules specifically blocking unauthorized access to plugin endpoints
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for Calculated Fields Form version
Check Version:
wp plugin get calculated-fields-form --field=version
Verify Fix Applied:
Verify plugin version is 5.4.4.2 or higher in WordPress admin
📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to /wp-content/plugins/calculated-fields-form/ endpoints
- 403 errors followed by successful 200 responses to plugin URLs
Network Indicators:
- Unusual traffic patterns to plugin-specific endpoints from unauthenticated sources
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-content/plugins/calculated-fields-form/" OR plugin="calculated-fields-form") AND response_code=200 AND user="-"