CVE-2025-58879
📋 TL;DR
This vulnerability allows attackers to include local files on the server through PHP's include/require statements in the Festy WordPress theme. Attackers can potentially read sensitive files or execute arbitrary code. All WordPress sites using Festy theme version 1.13.0 or earlier are affected.
💻 Affected Systems
- AncoraThemes Festy WordPress Theme
📦 What is this software?
Festy by Ancorathemes
⚠️ 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
File read attempts logged and blocked, no actual data exposure or 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: 1.13.1 or later
Vendor Advisory: https://patchstack.com/database/Wordpress/Theme/festy/vulnerability/wordpress-festy-theme-1-13-0-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 Festy theme updates. 4. Update to version 1.13.1 or later. 5. Clear any caching plugins/CDN caches.
🔧 Temporary Workarounds
Disable Festy Theme
allSwitch to a different WordPress theme until patch can be applied
Web Application Firewall Rule
allBlock requests containing local file inclusion patterns
WAF specific - create rule to block requests with patterns like '../../', 'php://', '/etc/passwd' in URL parameters
🧯 If You Can't Patch
- Implement strict file permission controls on web server directories
- Deploy web application firewall with LFI protection rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes for Festy theme version. If version is 1.13.0 or earlier, system is vulnerable.Check Version:
wp theme list --field=name,version --format=csv | grep festyVerify Fix Applied:
Confirm Festy theme version is 1.13.1 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- HTTP requests with suspicious file paths in parameters (../../etc/passwd, php://input)
- Multiple 404 errors followed by successful file reads
- Unusual file access patterns from web server process
Network Indicators:
- HTTP requests with file inclusion patterns in GET/POST parameters
- Traffic spikes to theme-specific PHP files
SIEM Query:
source="web_server_logs" AND (url="*festy*" AND (param="*../*" OR param="*php://*" OR param="*/etc/*"))