CVE-2025-28991
📋 TL;DR
This vulnerability allows attackers to include local files on the server through improper filename control in PHP's include/require statements. It affects WordPress sites using the Evon theme from snstheme. Attackers can potentially read sensitive files or execute arbitrary code.
💻 Affected Systems
- snstheme Evon 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 exfiltration, and lateral movement within the network.
Likely Case
Local file inclusion allowing reading of sensitive configuration files, database credentials, and other server-side files.
If Mitigated
Limited file access restricted by PHP configuration or file permissions, potentially only reading non-sensitive files.
🎯 Exploit Status
Simple HTTP requests can trigger the vulnerability. Public exploit details available in security advisories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 3.4
Vendor Advisory: https://patchstack.com/database/wordpress/theme/snsevon/vulnerability/wordpress-evon-3-4-local-file-inclusion-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Update Evon theme to latest version. 2. If update not available, remove theme and replace with secure alternative. 3. Verify theme files are properly sanitized.
🔧 Temporary Workarounds
Disable PHP include_path for theme
linuxRestrict PHP's ability to include files from arbitrary paths
php_admin_value include_path "."
php_admin_value open_basedir "/var/www/html"
Web server file restriction
allBlock access to vulnerable theme files via web server configuration
<LocationMatch "\.php$">
Deny from all
</LocationMatch>
🧯 If You Can't Patch
- Remove Evon theme entirely and use alternative secure theme
- Implement WAF rules to block requests containing local file inclusion patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel for Evon theme version. If version is 3.4 or earlier, system is vulnerable.Check Version:
wp theme list --field=name,version | grep -i evonVerify Fix Applied:
Verify theme version is updated beyond 3.4. Test with controlled LFI payloads to confirm patching.📡 Detection & Monitoring
Log Indicators:
- Unusual PHP include/require errors
- Requests to theme files with file path parameters
- Multiple 500 errors from theme PHP files
Network Indicators:
- HTTP requests containing file path traversal patterns
- Requests to theme PHP files with unusual parameters
SIEM Query:
source="web_logs" AND (uri="*evon*" AND (param="*../*" OR param="*file=*"))