CVE-2024-49669
📋 TL;DR
This vulnerability allows attackers to upload arbitrary files, including web shells, to WordPress servers running the INK Official plugin. Attackers can achieve remote code execution and full server compromise. All WordPress sites using INK Official plugin versions up to 4.1.2 are affected.
💻 Affected Systems
- WordPress INK Official 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 takeover, data exfiltration, ransomware deployment, and use as pivot point for lateral movement within the network.
Likely Case
Web shell upload leading to website defacement, credential theft, and installation of backdoors for persistent access.
If Mitigated
File uploads blocked at web application firewall level, preventing successful exploitation despite vulnerable plugin.
🎯 Exploit Status
Exploitation requires authentication, but WordPress sites often have multiple user accounts. The vulnerability is simple to exploit once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.1.3 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/ink-official/wordpress-ink-official-plugin-4-1-2-arbitrary-file-upload-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'INK Official' plugin. 4. Click 'Update Now' if update available. 5. If no update appears, manually download version 4.1.3+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Web Application Firewall Rule
allBlock file uploads to vulnerable plugin endpoints
WAF rule: Block POST requests containing file uploads to /wp-content/plugins/ink-official/
File Upload Restriction
linuxRestrict file uploads via .htaccess or web server configuration
# Apache .htaccess
<FilesMatch "\.(php|phtml|php3|php4|php5|php7|phps|php8|inc|pl|py|jsp|asp|aspx|sh|cgi|exe|dll|bat|cmd|ps1|psm1|vbs|vbe|js|jse|wsf|wsh|msc|jar|war|ear|rb|pyc|pyo|so|dylib)$">
Order Allow,Deny
Deny from all
</FilesMatch>
🧯 If You Can't Patch
- Disable or remove the INK Official plugin immediately
- Implement strict file upload validation and monitoring for all WordPress plugins
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins. If INK Official version is 4.1.2 or lower, you are vulnerable.Check Version:
WordPress CLI: wp plugin list --name=ink-official --field=versionVerify Fix Applied:
After update, verify plugin version shows 4.1.3 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- POST requests to /wp-content/plugins/ink-official/ with file uploads
- Unusual file creation in wp-content/uploads/ or plugin directories
- PHP execution from unexpected locations
Network Indicators:
- Outbound connections from web server to unknown IPs
- Unusual traffic patterns from web server
SIEM Query:
source="web_server_logs" AND (uri="/wp-content/plugins/ink-official/" AND method="POST" AND size>100000) OR (process="php" AND parent_process="httpd")