CVE-2025-39476
📋 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 installations of the Revo WordPress theme from unknown versions through 4.0.26. Attackers can potentially read sensitive files or execute arbitrary code depending on server configuration.
💻 Affected Systems
- magentech Revo WordPress 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
Remote code execution leading to complete server compromise, data theft, and lateral movement within the network.
Likely Case
Local file inclusion allowing reading of sensitive files like configuration files, logs, and potentially source code disclosure.
If Mitigated
Limited file reading within web root directory if proper file permissions and PHP security settings are configured.
🎯 Exploit Status
Exploitation requires finding vulnerable endpoints but is straightforward once identified. Public exploit details available in security advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.0.27 or later
Vendor Advisory: https://patchstack.com/database/wordpress/theme/revo/vulnerability/wordpress-revo-theme-4-0-26-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 Revo theme updates. 4. Update to version 4.0.27 or later. 5. Clear any caching plugins/CDN caches.
🔧 Temporary Workarounds
Disable vulnerable theme
allTemporarily switch to default WordPress theme until patch can be applied
wp theme activate twentytwentyfour
PHP configuration hardening
linuxSet open_basedir restriction and disable dangerous PHP functions
open_basedir = /var/www/html
disable_functions = exec,passthru,shell_exec,system
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block file inclusion patterns
- Restrict file permissions and implement strict access controls on sensitive directories
🔍 How to Verify
Check if Vulnerable:
Check WordPress theme version in wp-content/themes/revo/style.css or via WordPress admin panelCheck Version:
grep 'Version:' /path/to/wordpress/wp-content/themes/revo/style.cssVerify Fix Applied:
Verify Revo theme version is 4.0.27 or higher in Appearance > Themes📡 Detection & Monitoring
Log Indicators:
- Unusual file include patterns in PHP error logs
- Requests with ../ sequences or unusual file parameters
Network Indicators:
- HTTP requests containing file inclusion patterns like ?file=../../../etc/passwd
SIEM Query:
source="web_server_logs" AND (uri="*..*" OR uri="*file=*" OR uri="*include=*")