CVE-2025-58709
📋 TL;DR
This CVE describes a PHP Local File Inclusion vulnerability in the Legacy WordPress theme by axiomthemes. Attackers can exploit improper filename control in include/require statements to read sensitive files on the server. All WordPress sites using Legacy theme version 1.9 or earlier are affected.
💻 Affected Systems
- axiomthemes Legacy WordPress Theme
📦 What is this software?
Legacy by Axiomthemes
⚠️ Risk & Real-World Impact
Worst Case
Full server compromise through reading sensitive files like /etc/passwd, database credentials, or executing arbitrary PHP code leading to remote code execution.
Likely Case
Information disclosure of sensitive server files, potentially exposing credentials, configuration files, or source code.
If Mitigated
Limited impact if file permissions are properly configured and sensitive files are not accessible via web user.
🎯 Exploit Status
Simple path traversal or file inclusion payloads can exploit this. Public proof-of-concept exists in vulnerability databases.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.9 (check theme repository for latest)
Vendor Advisory: https://patchstack.com/database/Wordpress/Theme/legacy/vulnerability/wordpress-legacy-theme-1-9-local-file-inclusion-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Update Legacy theme to latest version via WordPress admin panel. 2. If update not available, remove theme entirely. 3. Verify theme files are replaced with patched versions.
🔧 Temporary Workarounds
Disable Legacy Theme
allSwitch to default WordPress theme or alternative secure theme
wp theme activate twentytwentyfour
wp theme delete legacy
PHP Configuration Hardening
linuxSet allow_url_include=Off and open_basedir restrictions
echo 'allow_url_include = Off' >> /etc/php/8.x/apache2/php.ini
echo 'open_basedir = /var/www/html' >> /etc/php/8.x/apache2/php.ini
🧯 If You Can't Patch
- Remove Legacy theme completely and use alternative theme
- Implement web application firewall (WAF) rules to block file inclusion patterns
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes for Legacy theme version 1.9 or earlier
Check Version:
wp theme list --field=name,status,version | grep legacy
Verify Fix Applied:
Verify theme version is greater than 1.9 or theme is removed. Test with controlled LFI payloads.
📡 Detection & Monitoring
Log Indicators:
- Unusual file paths in PHP error logs
- include/require statements with ../ patterns
- Requests to theme files with file parameter
Network Indicators:
- HTTP requests containing ../ or file:// in query parameters
- Requests to wp-content/themes/legacy/ with suspicious parameters
SIEM Query:
source="*access.log*" AND "wp-content/themes/legacy" AND (".." OR "file=" OR "include=")