CVE-2025-67910
📋 TL;DR
This vulnerability allows attackers to upload arbitrary files, including web shells, to WordPress servers running the ContentStudio plugin. Attackers can gain full control of affected websites. All WordPress sites using ContentStudio plugin versions up to and including 1.3.7 are affected.
💻 Affected Systems
- WordPress ContentStudio 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, ransomware deployment, or use as part of a botnet.
Likely Case
Website defacement, data exfiltration, or installation of backdoors for persistent access.
If Mitigated
Limited impact if file uploads are restricted via web application firewall or server configuration.
🎯 Exploit Status
Exploitation requires authenticated access but is trivial once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.3.8 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find ContentStudio plugin. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin immediately.
🔧 Temporary Workarounds
Disable File Uploads via .htaccess
linuxRestrict PHP file uploads in WordPress uploads directory
Add to .htaccess in wp-content/uploads: <Files *.php> deny from all </Files>
Web Application Firewall Rule
allBlock file uploads with dangerous extensions
Configure WAF to block uploads of .php, .phtml, .php5, .php7 files
🧯 If You Can't Patch
- Immediately deactivate and remove ContentStudio plugin
- Implement strict file upload validation at server level
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Installed Plugins for ContentStudio version <= 1.3.7Check Version:
wp plugin list --name=contentstudio --field=versionVerify Fix Applied:
Confirm ContentStudio plugin version is 1.3.8 or later, or plugin is removed📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to wp-content/uploads
- PHP files with suspicious names uploaded via POST requests
Network Indicators:
- POST requests to /wp-content/plugins/contentstudio/ with file uploads
- Subsequent requests to uploaded PHP files
SIEM Query:
source="web_server" (uri="*contentstudio*" AND method="POST" AND file_extension="php")