CVE-2024-56236
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the Hestia Nginx Cache WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. Attackers can perform unauthorized actions due to insufficient authorization checks. This affects all WordPress sites using Hestia Nginx Cache versions up to 2.4.0.
💻 Affected Systems
- Hestia Nginx Cache 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 cache settings, potentially disrupting website functionality or enabling further attacks through cache poisoning.
Likely Case
Unauthorized users could change plugin settings, affecting cache behavior and website performance.
If Mitigated
With proper access controls, only authenticated administrators could modify settings, limiting impact.
🎯 Exploit Status
Exploitation requires some level of access to WordPress, but authorization checks are missing for certain actions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.4.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Hestia Nginx Cache and click 'Update Now'. 4. Verify version is 2.4.1 or higher.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Hestia Nginx Cache plugin until patched.
wp plugin deactivate hestia-nginx-cache
Restrict Admin Access
linuxLimit WordPress admin access to trusted IP addresses only.
# Add to .htaccess or web server config: Order Deny,Allow
Deny from all
Allow from 192.168.1.0/24
🧯 If You Can't Patch
- Implement strict access controls to WordPress admin panel.
- Monitor for unauthorized changes to plugin settings.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for Hestia Nginx Cache version.Check Version:
wp plugin get hestia-nginx-cache --field=versionVerify Fix Applied:
Verify plugin version is 2.4.1 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to WordPress admin endpoints.
- Changes to Hestia Nginx Cache settings from non-admin users.
Network Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php or plugin-specific endpoints.
SIEM Query:
source="wordpress.log" AND (uri_path="/wp-admin/admin-ajax.php" OR plugin="hestia-nginx-cache") AND user_role!="administrator"