CVE-2023-38400
📋 TL;DR
This reflected cross-site scripting (XSS) vulnerability in the Enfold WordPress theme allows attackers to inject malicious scripts into web pages by manipulating input parameters. When exploited, it can enable session hijacking, credential theft, or content defacement. All WordPress sites using Enfold theme versions up to 5.6.4 are affected.
💻 Affected Systems
- Enfold - Responsive Multi-Purpose WordPress Theme
📦 What is this software?
Enfold by Kriesi
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator credentials, take over the WordPress site, install backdoors, or redirect visitors to malicious sites, potentially leading to complete site compromise and data breaches.
Likely Case
Attackers will typically use this to steal user session cookies, perform phishing attacks, or deface website content by injecting malicious scripts that execute in visitors' browsers.
If Mitigated
With proper web application firewalls and input validation, the risk is reduced to minimal, though the vulnerability still exists in the codebase.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly exploited and require minimal technical skill. Attackers can craft malicious URLs that execute scripts when visited.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 5.6.5 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/enfold/wordpress-enfold-theme-5-6-4-reflected-cross-site-scripting-xss-vulnerability
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Check if Enfold theme update is available. 4. Click 'Update Now' for Enfold theme. 5. Verify theme version is 5.6.5 or higher.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with XSS protection rules to block malicious input patterns before they reach the vulnerable theme.
Input Validation Filter
allImplement custom input validation in WordPress to sanitize all user inputs before processing.
🧯 If You Can't Patch
- Temporarily switch to a different WordPress theme until patching is possible
- Implement strict Content Security Policy (CSP) headers to limit script execution
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Appearance > Themes > Enfold theme details for version number. If version is 5.6.4 or lower, the site is vulnerable.Check Version:
wp theme list --field=name,version --path=/path/to/wordpress | grep enfoldVerify Fix Applied:
After updating, verify the theme version shows 5.6.5 or higher in WordPress admin panel > Appearance > Themes.📡 Detection & Monitoring
Log Indicators:
- Unusual GET/POST requests with script tags or JavaScript code in parameters
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing suspicious script payloads in URL parameters
- Traffic patterns showing users being redirected to malicious sites
SIEM Query:
source="web_server_logs" AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=") AND uri="*enfold*"