CVE-2025-26916
📋 TL;DR
This vulnerability allows unauthenticated attackers to include arbitrary local files in PHP applications, potentially leading to remote code execution. It affects the Massive Dynamic WordPress theme versions up to 8.2. Attackers can exploit this to read sensitive files or execute malicious code on vulnerable servers.
💻 Affected Systems
- WordPress Massive Dynamic Theme
⚠️ 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
Full server compromise via remote code execution, data theft, and complete system control
Likely Case
Sensitive file disclosure (configuration files, credentials) and limited code execution
If Mitigated
File inclusion attempts logged but blocked by proper input validation
🎯 Exploit Status
Simple HTTP requests can trigger the vulnerability without authentication
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 8.2
Restart Required: No
Instructions:
1. Update Massive Dynamic theme to latest version via WordPress admin panel
2. Verify theme version is greater than 8.2
3. Clear any caching plugins
🔧 Temporary Workarounds
Disable vulnerable theme
allSwitch to default WordPress theme to immediately mitigate risk
wp theme activate twentytwentyfour
Web Application Firewall rule
allBlock requests containing local file inclusion patterns
Add WAF rule: deny requests with '..' or 'php://' in URL parameters
🧯 If You Can't Patch
- Restrict theme directory permissions to prevent file writes
- Implement strict input validation in theme files
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes for Massive Dynamic version ≤8.2Check Version:
wp theme list --field=name,status,version | grep massive-dynamicVerify Fix Applied:
Confirm theme version >8.2 in WordPress admin or via wp theme list command📡 Detection & Monitoring
Log Indicators:
- HTTP requests with '..' sequences in theme-related URLs
- PHP include/require errors in web server logs
Network Indicators:
- Unusual GET/POST requests to theme files with file path parameters
SIEM Query:
source="web_server" AND (url="*massive-dynamic*" AND (url="*..*" OR url="*php://*"))