CVE-2025-39494
📋 TL;DR
This vulnerability allows attackers to include local files on the server through improper filename control in PHP include/require statements. It affects all versions of the Wilmër WordPress theme from Mikado-Themes, potentially leading to sensitive information disclosure or remote code execution.
💻 Affected Systems
- Mikado-Themes Wilmër WordPress Theme
📦 What is this software?
Wilmer by Qodeinteractive
⚠️ Risk & Real-World Impact
Worst Case
Full server compromise through local file inclusion leading to remote code execution, sensitive file access (including configuration files with credentials), and complete website takeover.
Likely Case
Sensitive information disclosure (database credentials, configuration files), limited file system access, and potential privilege escalation.
If Mitigated
Limited impact due to proper file permissions, web server restrictions, and security controls preventing file inclusion outside intended directories.
🎯 Exploit Status
Exploitation requires knowledge of vulnerable endpoints but is straightforward once identified. Public exploit details available through security advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.4.3 or later
Vendor Advisory: https://patchstack.com/database/wordpress/theme/wilmer/vulnerability/wordpress-wilmer-theme-3-4-2-local-file-inclusion-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Check for Wilmër theme updates. 4. Update to version 3.4.3 or later. 5. Clear any caching plugins. 6. Verify theme functions correctly.
🔧 Temporary Workarounds
Disable vulnerable theme
allTemporarily switch to default WordPress theme until patch is applied
Restrict PHP file inclusion
linuxConfigure PHP to restrict file inclusion paths
php_admin_value open_basedir "/var/www/html:/tmp"
php_admin_value allow_url_include Off
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block file inclusion patterns
- Restrict file system permissions and implement strict access controls
🔍 How to Verify
Check if Vulnerable:
Check WordPress theme version in Appearance > Themes. If Wilmër theme version is 3.4.2 or earlier, system is vulnerable.Check Version:
wp theme list --field=name,version --path=/var/www/htmlVerify Fix Applied:
Confirm Wilmër theme version is 3.4.3 or later in WordPress admin panel. Test vulnerable endpoints with controlled payloads.📡 Detection & Monitoring
Log Indicators:
- Unusual file include patterns in PHP error logs
- Requests with file path traversal patterns (../, /etc/passwd, etc.)
- Multiple failed include attempts
Network Indicators:
- HTTP requests with file inclusion parameters
- Unusual POST/GET parameters containing file paths
- Requests to theme-specific endpoints with path traversal
SIEM Query:
source="web_access" AND (uri="*include*" OR uri="*require*" OR uri="*file*" OR uri="*path*") AND (param="*../*" OR param="*/etc/*" OR param="*config*" OR param="*.php*")