CVE-2024-13413
📋 TL;DR
The ProductDyno WordPress plugin has a reflected cross-site scripting (XSS) vulnerability in all versions up to 1.0.24. Unauthenticated attackers can inject malicious scripts via the 'res' parameter, which execute when victims click specially crafted links. This affects all WordPress sites using vulnerable versions of the ProductDyno plugin.
💻 Affected Systems
- ProductDyno 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 steal admin session cookies, hijack administrator accounts, deface websites, or redirect users to malicious sites.
Likely Case
Attackers steal user session cookies or credentials through phishing links, potentially compromising individual user accounts.
If Mitigated
With proper Content Security Policy (CSP) headers and modern browser XSS protections, script execution may be blocked, limiting impact to failed attempts.
🎯 Exploit Status
Reflected XSS vulnerabilities are commonly weaponized in phishing campaigns. The vulnerability is simple to exploit with basic web knowledge.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.25 or later
Vendor Advisory: https://wordpress.org/plugins/productdyno/#developers
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find ProductDyno plugin. 4. Click 'Update Now' if available. 5. Alternatively, download version 1.0.25+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Input Validation via .htaccess
linuxBlock malicious 'res' parameter values at web server level
RewriteEngine On
RewriteCond %{QUERY_STRING} res=.*[<>"'].*
RewriteRule ^ - [F]
Content Security Policy
allImplement CSP headers to block inline script execution
Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Header always set X-Content-Type-Options nosniff
Header always set X-Frame-Options DENY
🧯 If You Can't Patch
- Disable or remove the ProductDyno plugin entirely
- Implement Web Application Firewall (WAF) rules to block XSS payloads in the 'res' parameter
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → ProductDyno version. If version is 1.0.24 or lower, you are vulnerable.Check Version:
wp plugin list --name=productdyno --field=versionVerify Fix Applied:
After updating, verify plugin version shows 1.0.25 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing 'res=' parameter with script tags or JavaScript code
- Unusual referrer headers with encoded payloads
- Multiple 400/403 errors from blocked XSS attempts
Network Indicators:
- GET requests with long 'res' parameters containing <script>, javascript:, or encoded characters
- Traffic from known scanner IPs checking for XSS vulnerabilities
SIEM Query:
source="web_logs" AND (uri_query="*res=*<script>*" OR uri_query="*res=*javascript:*" OR uri_query="*res=*%3Cscript%3E*")🔗 References
- https://plugins.trac.wordpress.org/browser/productdyno/trunk/admin/partials/productdyno-admin-display.php#L81
- https://plugins.trac.wordpress.org/changeset/3251678/
- https://wordpress.org/plugins/productdyno/#developers
- https://www.wordfence.com/threat-intel/vulnerabilities/id/fdc1289a-abd1-43db-89b7-3e81878a0f9a?source=cve
