CVE-2025-24755
📋 TL;DR
This stored cross-site scripting (XSS) vulnerability in the PDF Invoices for WooCommerce plugin allows attackers to inject malicious scripts into web pages. When users view affected pages, the scripts execute in their browsers, potentially stealing session cookies or performing unauthorized actions. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- PDF Invoices for WooCommerce + Drag and Drop Template Builder
⚠️ 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 administrator session cookies, take over WordPress admin accounts, install backdoors, deface websites, or redirect users to malicious sites.
Likely Case
Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially compromising user accounts and sensitive data.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before reaching users' browsers.
🎯 Exploit Status
Stored XSS vulnerabilities are commonly exploited. Attackers need to inject malicious payloads into the PDF invoice generation system.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.6.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'PDF Invoices for WooCommerce'. 4. Click 'Update Now' if available. 5. Alternatively, download version 4.6.1+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the PDF Invoices plugin until patched
wp plugin deactivate pdf-for-woocommerce
Implement Content Security Policy
allAdd CSP headers to restrict script execution
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
- Implement web application firewall (WAF) rules to block XSS payloads
- Restrict access to admin areas using IP whitelisting
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for 'PDF Invoices for WooCommerce' version ≤4.6.0
Check Version:
wp plugin get pdf-for-woocommerce --field=version
Verify Fix Applied:
Verify plugin version is ≥4.6.1 in WordPress admin panel
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to PDF invoice endpoints
- Suspicious JavaScript payloads in request parameters
- Multiple failed XSS attempts
Network Indicators:
- Unusual traffic patterns to PDF generation endpoints
- Requests containing script tags or JavaScript code
SIEM Query:
source="wordpress.log" AND ("pdf-invoice" OR "pdf-for-woocommerce") AND ("<script>" OR "javascript:" OR "onerror=" OR "onload=")