CVE-2024-37276
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the WordPress Featured Image from URL (FIFU) plugin that allows attackers to exploit incorrectly configured access control security levels. Attackers could potentially modify plugin settings or perform unauthorized actions. This affects all WordPress sites using FIFU plugin versions from n/a through 4.8.1.
💻 Affected Systems
- WordPress Featured Image from URL (FIFU) 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 plugin settings, potentially affecting site functionality or enabling further attacks through plugin features.
Likely Case
Unauthorized users could change plugin configuration settings, potentially breaking site functionality or enabling unwanted behaviors.
If Mitigated
With proper authorization controls, only authenticated administrators could modify plugin settings as intended.
🎯 Exploit Status
Exploitation requires some level of access but authorization checks are missing for certain plugin functions.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.8.2 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Featured Image from URL' plugin. 4. Click 'Update Now' if available. 5. Alternatively, download version 4.8.2+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the FIFU plugin until patched
wp plugin deactivate featured-image-from-url
Restrict plugin access
allUse WordPress role management to restrict who can access plugin settings
🧯 If You Can't Patch
- Implement strict access controls and monitor for unauthorized plugin setting changes
- Consider using alternative featured image plugins until FIFU is patched
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins → Featured Image from URL versionCheck Version:
wp plugin get featured-image-from-url --field=versionVerify Fix Applied:
Verify plugin version is 4.8.2 or higher in WordPress admin📡 Detection & Monitoring
Log Indicators:
- Unauthorized plugin setting changes in WordPress logs
- Unexpected user actions on FIFU plugin endpoints
Network Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with FIFU-related actions
SIEM Query:
source="wordpress.log" AND ("fifu" OR "featured-image-from-url") AND ("admin-ajax" OR "plugin_settings")