CVE-2025-58803
📋 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 Algenix theme version 1.0 or earlier. Attackers can potentially read sensitive files or execute arbitrary code.
💻 Affected Systems
- WordPress Algenix Theme
📦 What is this software?
Algenix by Axiomthemes
⚠️ Risk & Real-World Impact
Worst Case
Full server compromise through arbitrary code execution leading to data theft, ransomware deployment, or complete system takeover.
Likely Case
Sensitive file disclosure (configuration files, database credentials, user data) and limited code execution within web server context.
If Mitigated
Limited impact with proper file permissions and web server hardening, potentially only file disclosure without code execution.
🎯 Exploit Status
Simple HTTP requests can trigger the vulnerability. Public exploit details available on security research sites.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: https://patchstack.com/database/Wordpress/Theme/algenix/vulnerability/wordpress-algenix-theme-1-0-local-file-inclusion-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Remove Algenix theme from WordPress installation
2. Replace with alternative theme
3. No official patch exists from vendor
🔧 Temporary Workarounds
Disable Algenix Theme
allDeactivate and remove the vulnerable theme from WordPress
wp theme deactivate algenix
wp theme delete algenix
Web Application Firewall Rules
linuxBlock requests containing local file inclusion patterns
ModSecurity rule: SecRule ARGS "\.\./" "id:1001,phase:2,deny,status:403"
🧯 If You Can't Patch
- Implement strict file permissions (chmod 600 for sensitive files)
- Deploy web application firewall with LFI detection rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress theme directory for algenix folder and version.php file showing version <= 1.0Check Version:
grep -r "Version:" wp-content/themes/algenix/style.cssVerify Fix Applied:
Confirm algenix theme is not present in wp-content/themes/ directory📡 Detection & Monitoring
Log Indicators:
- HTTP requests with ../ patterns in parameters
- PHP include/require errors in web server logs
- Access to sensitive files like /etc/passwd in web logs
Network Indicators:
- HTTP requests with directory traversal sequences (../)
- Unusual file access patterns from web paths
SIEM Query:
source="web_logs" AND (uri="*../*" OR uri="*/etc/passwd*" OR uri="*/proc/self/environ*")