CVE-2024-12153
📋 TL;DR
The GDY Modular Content WordPress plugin contains a reflected cross-site scripting (XSS) vulnerability that allows unauthenticated attackers to inject malicious scripts via crafted URLs. When users click on malicious links, arbitrary JavaScript executes in their browser context. All WordPress sites using this plugin up to version 0.9.91 are affected.
💻 Affected Systems
- GDY Modular Content WordPress Plugin
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, redirect users to malicious sites, perform actions on behalf of authenticated users, or deliver malware payloads.
Likely Case
Attackers typically use this for session hijacking, credential theft, or redirecting users to phishing pages.
If Mitigated
With proper Content Security Policy (CSP) headers and modern browser XSS protections, impact is limited to the specific user session.
🎯 Exploit Status
Exploitation requires user interaction (clicking a malicious link). Attack vectors include phishing emails, malicious ads, or compromised websites.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.9.92 or later
Vendor Advisory: https://plugins.trac.wordpress.org/browser/gdy-modular-content/trunk/includes/elements.php#L16
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'GDY Modular Content' and check for updates. 4. Update to version 0.9.92 or later. 5. If no update available, deactivate and remove the plugin.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily deactivate the vulnerable plugin until patched
wp plugin deactivate gdy-modular-content
Implement Content Security Policy
allAdd CSP headers to mitigate XSS impact
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";
🧯 If You Can't Patch
- Deactivate and remove the GDY Modular Content plugin immediately
- Implement web application firewall (WAF) rules to block XSS payloads in URLs
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for GDY Modular Content version ≤0.9.91Check Version:
wp plugin list --name='gdy-modular-content' --field=versionVerify Fix Applied:
Confirm plugin version is 0.9.92 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual long URLs with script tags or JavaScript in query parameters
- Multiple failed requests to plugin endpoints with suspicious parameters
Network Indicators:
- HTTP requests containing <script> tags or JavaScript in URL parameters
- Outbound connections to suspicious domains following plugin page visits
SIEM Query:
source="web_server" AND (url="*gdy-modular-content*" AND (url="*<script>*" OR url="*javascript:*" OR url="*onload=*"))