CVE-2025-22637
📋 TL;DR
This CSRF vulnerability in verkkovaraani Print PDF Generator and Publisher WordPress plugin allows attackers to trick authenticated administrators into performing unintended actions. It affects all WordPress sites using this plugin version 1.2.0 or earlier. Attackers could force administrators to change plugin settings or perform other administrative actions.
💻 Affected Systems
- verkkovaraani Print PDF Generator and Publisher 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 reconfigure the plugin to serve malicious PDFs, inject malicious content into generated PDFs, or disable security features, potentially leading to further compromise of the WordPress site.
Likely Case
Attackers trick administrators into changing plugin settings, potentially disrupting PDF generation functionality or enabling malicious behavior in generated documents.
If Mitigated
With proper CSRF protections and user awareness, the risk is minimal as it requires authenticated administrator interaction.
🎯 Exploit Status
Exploitation requires tricking an authenticated administrator into clicking a malicious link or visiting a crafted page.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.1 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Print PDF Generator and Publisher'. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and delete plugin, then install fresh version from WordPress repository.
🔧 Temporary Workarounds
Add CSRF Protection Headers
allImplement Content Security Policy headers to restrict cross-origin requests
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'";
Disable Plugin
linuxTemporarily disable the vulnerable plugin until patched
wp plugin deactivate print-pdf-generator-and-publisher
🧯 If You Can't Patch
- Implement strict SameSite cookie policies for WordPress admin sessions
- Educate administrators about CSRF risks and safe browsing practices
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Print PDF Generator and Publisher → Version. If version is 1.2.0 or earlier, you are vulnerable.
Check Version:
wp plugin get print-pdf-generator-and-publisher --field=version
Verify Fix Applied:
After update, verify plugin version shows 1.2.1 or later in WordPress admin plugins page.
📡 Detection & Monitoring
Log Indicators:
- Multiple failed CSRF token validations from same IP
- Unusual plugin configuration changes from unexpected user agents
Network Indicators:
- Cross-origin requests to WordPress admin-ajax.php with plugin-specific actions
- Requests with missing or invalid nonce tokens
SIEM Query:
source="wordpress.log" AND ("admin-ajax.php" AND "action=print_pdf_" AND NOT "_wpnonce=")