CVE-2024-51641
📋 TL;DR
This CVE describes a Cross-Site Request Forgery (CSRF) vulnerability in the Advanced PDF Generator WordPress plugin that can lead to Stored Cross-Site Scripting (XSS). Attackers can trick authenticated administrators into executing malicious actions, potentially injecting persistent scripts into vulnerable sites. WordPress sites using Advanced PDF Generator versions up to 0.4.0 are affected.
💻 Affected Systems
- Advanced PDF Generator 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 inject malicious JavaScript that steals administrator credentials, redirects users to malicious sites, or performs unauthorized administrative actions on the WordPress site.
Likely Case
Attackers create phishing campaigns targeting site administrators, leading to script injection that could deface the site or steal session cookies.
If Mitigated
With proper CSRF protections and input validation, the attack chain is broken and no exploitation occurs.
🎯 Exploit Status
CSRF to XSS chain requires social engineering but is technically simple to execute once the attack vector is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.4.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Advanced PDF Generator. 4. Click 'Update Now' if update available. 5. If no update appears, manually download version 0.4.1+ from WordPress.org and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the Advanced PDF Generator plugin until patched.
wp plugin deactivate advanced-pdf-generator
Implement CSRF Protection
allAdd WordPress nonce verification to plugin forms and AJAX requests.
🧯 If You Can't Patch
- Restrict plugin access to trusted administrators only and implement strict user role permissions.
- Deploy web application firewall (WAF) rules to block CSRF attempts and XSS payloads targeting the plugin endpoints.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin > Plugins > Advanced PDF Generator for version number. If version is 0.4.0 or earlier, the site is vulnerable.
Check Version:
wp plugin get advanced-pdf-generator --field=version
Verify Fix Applied:
After update, verify plugin version shows 0.4.1 or later in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to /wp-admin/admin-ajax.php with advanced-pdf-generator action parameters
- Multiple failed CSRF token validations in WordPress debug logs
Network Indicators:
- HTTP requests containing malicious script tags or JavaScript payloads targeting plugin endpoints
SIEM Query:
source="wordpress.log" AND ("advanced-pdf-generator" AND ("csrf" OR "xss" OR "script"))