CVE-2024-48027
📋 TL;DR
This vulnerability allows attackers to upload malicious files, including web shells, to WordPress servers running the External Featured Image from Bing plugin. Attackers can achieve remote code execution, potentially taking full control of affected websites. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- WordPress External Featured Image from Bing 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
Complete server compromise leading to data theft, defacement, malware distribution, and lateral movement to other systems.
Likely Case
Website takeover, backdoor installation, credential theft, and unauthorized content modification.
If Mitigated
Limited impact if file uploads are restricted or monitored, but still significant risk.
🎯 Exploit Status
Simple file upload exploitation with publicly available details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.3 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find 'External Featured Image from Bing'. 4. Update to version 1.0.3 or later. 5. Alternatively, disable and remove the plugin if not needed.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patching is possible.
wp plugin deactivate external-featured-image-from-bing
Restrict File Uploads
linuxConfigure web server to block uploads of executable file types.
# Add to .htaccess for Apache: <FilesMatch "\.(php|phtml|php3|php4|php5|pl|py|jsp|asp|sh|cgi)$">
Order allow,deny
Deny from all
</FilesMatch>
🧯 If You Can't Patch
- Immediately disable or remove the plugin from all WordPress installations.
- Implement strict file upload validation and monitoring on the web server.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins for 'External Featured Image from Bing' version 1.0.2 or earlier.Check Version:
wp plugin get external-featured-image-from-bing --field=versionVerify Fix Applied:
Confirm plugin version is 1.0.3 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to WordPress uploads directory
- POST requests to plugin-specific endpoints with file upload parameters
- Execution of unexpected PHP files in uploads directory
Network Indicators:
- HTTP POST requests with file uploads to /wp-content/plugins/external-featured-image-from-bing/ endpoints
SIEM Query:
source="web_server" AND (uri_path="/wp-content/plugins/external-featured-image-from-bing/" AND method="POST" AND content_type="multipart/form-data")