CVE-2024-56259
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in GeoDirectory WordPress plugin allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. All WordPress sites using GeoDirectory versions up to 2.3.84 are affected. The vulnerability occurs due to improper input sanitization during web page generation.
💻 Affected Systems
- GeoDirectory WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal administrator session cookies, take over WordPress admin accounts, deface websites, redirect users to malicious sites, or install backdoors for persistent access.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially compromising user accounts and enabling further attacks within the WordPress environment.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users, preventing execution while maintaining functionality.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited, though specific exploit details for this CVE aren't publicly documented. Attackers need some level of access to inject malicious content.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.3.85 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find GeoDirectory and click 'Update Now'. 4. Verify update completes successfully. 5. Clear any caching plugins or CDN caches.
🔧 Temporary Workarounds
Input Sanitization Filter
allAdd custom input sanitization filters for GeoDirectory fields
Add to theme's functions.php: add_filter('geodirectory_sanitize_input', 'custom_sanitize_callback', 10, 1);
Content Security Policy
linuxImplement CSP headers to restrict script execution
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' https:;"
🧯 If You Can't Patch
- Disable GeoDirectory plugin temporarily until patched
- Implement web application firewall (WAF) rules to block XSS payloads
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins → GeoDirectory version number
Check Version:
wp plugin list --name=geodirectory --field=version
Verify Fix Applied:
Verify GeoDirectory version is 2.3.85 or higher in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to GeoDirectory endpoints with script tags
- Multiple failed XSS attempts in web server logs
Network Indicators:
- HTTP requests containing <script> tags to GeoDirectory API endpoints
- Outbound connections to suspicious domains after visiting GeoDirectory pages
SIEM Query:
source="web_server" AND ("geodirectory" AND ("<script>" OR "javascript:" OR "onerror="))