CVE-2026-24543
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the Materialis Companion WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. It affects WordPress sites using Materialis Companion plugin versions up to and including 1.3.52, potentially allowing unauthorized access to functionality.
💻 Affected Systems
- Materialis Companion 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 gain unauthorized administrative access to WordPress sites, modify content, install malicious plugins/themes, or compromise the entire site.
Likely Case
Attackers could modify site settings, access restricted content, or perform actions reserved for authenticated users without proper authorization.
If Mitigated
With proper access controls and authentication checks, the vulnerability would be prevented from being exploited.
🎯 Exploit Status
Missing authorization vulnerabilities typically require minimal technical skill to exploit once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: >1.3.52
Restart Required: No
Instructions:
1. Log into WordPress admin panel
2. Navigate to Plugins → Installed Plugins
3. Find Materialis Companion plugin
4. Click 'Update Now' if update is available
5. Alternatively, download latest version from WordPress repository and manually update
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Materialis Companion plugin until patched
wp plugin deactivate materialis-companion
Restrict Access
allImplement IP-based restrictions or web application firewall rules to limit access to vulnerable endpoints
🧯 If You Can't Patch
- Implement strict network access controls to limit who can access the WordPress admin interface
- Enable comprehensive logging and monitoring for unauthorized access attempts to plugin functionality
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Materialis Companion version numberCheck Version:
wp plugin get materialis-companion --field=versionVerify Fix Applied:
Verify plugin version is greater than 1.3.52 and test previously vulnerable functionality📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to Materialis Companion endpoints
- Unexpected plugin function calls from unauthenticated users
Network Indicators:
- HTTP requests to Materialis Companion API endpoints without proper authentication headers
SIEM Query:
source="wordpress" AND (plugin="materialis-companion" OR uri CONTAINS "materialis") AND (user="unauthenticated" OR auth_status="failed")