CVE-2026-25326
📋 TL;DR
This vulnerability allows attackers to include local files on the server through improper filename control in PHP include/require statements. It affects WordPress sites using the CMSMasters Content Composer plugin version 1.4.5 and earlier. Attackers can potentially read sensitive files or execute arbitrary code.
💻 Affected Systems
- CMSMasters Content Composer 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
Remote code execution leading to complete server compromise, data theft, and website defacement.
Likely Case
Sensitive file disclosure (configuration files, database credentials) and limited file system access.
If Mitigated
No impact if proper file permissions and web server configurations prevent unauthorized file access.
🎯 Exploit Status
Local file inclusion vulnerabilities are commonly exploited and weaponized tools exist.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.4.6 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'CMSMasters Content Composer'. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 1.4.6+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate cmsmasters-content-composer
Restrict File Access
linuxConfigure web server to restrict access to sensitive directories.
# In Apache .htaccess:
<FilesMatch "\.(php|inc|conf|config|sql|log|txt)$">
Order Deny,Allow
Deny from all
</FilesMatch>
🧯 If You Can't Patch
- Remove the CMSMasters Content Composer plugin completely
- Implement web application firewall (WAF) rules to block file inclusion patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins for CMSMasters Content Composer version ≤1.4.5Check Version:
wp plugin get cmsmasters-content-composer --field=versionVerify Fix Applied:
Verify plugin version is 1.4.6 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual file access patterns in web server logs
- Requests containing '../' or file inclusion patterns
- Access to sensitive files like /etc/passwd, wp-config.php
Network Indicators:
- HTTP requests with file inclusion parameters
- Unusual file paths in URL parameters
SIEM Query:
web.url:*../* AND (web.url:*.php OR web.url:*.inc OR web.url:*.conf)