CVE-2025-32583

9.9 CRITICAL

📋 TL;DR

This vulnerability allows remote attackers to execute arbitrary code on systems running vulnerable versions of the PDF 2 Post WordPress plugin. Attackers can inject malicious code through the plugin's functionality, potentially taking full control of affected WordPress sites. All WordPress sites using PDF 2 Post version 2.4.0 or earlier are affected.

💻 Affected Systems

Products:
  • PDF 2 Post WordPress Plugin
Versions: n/a through 2.4.0
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Any WordPress site with the PDF 2 Post plugin installed and activated is vulnerable.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete server compromise allowing attackers to install malware, steal sensitive data, deface websites, or use the server as part of a botnet.

🟠

Likely Case

Website defacement, data theft, installation of backdoors, or cryptocurrency mining malware deployment.

🟢

If Mitigated

Limited impact if proper web application firewalls and intrusion detection systems are in place to block exploitation attempts.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability is publicly documented and relatively easy to exploit, making it attractive to attackers.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.4.1 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/pdf2post/vulnerability/wordpress-pdf-2-post-plugin-2-4-0-remote-code-execution-rce-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find PDF 2 Post plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 2.4.1+ from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Disable PDF 2 Post Plugin

all

Temporarily disable the vulnerable plugin until patching is possible

wp plugin deactivate pdf2post

Web Application Firewall Rule

all

Block requests to PDF 2 Post plugin endpoints

# Add rule to block /wp-content/plugins/pdf2post/ paths

🧯 If You Can't Patch

  • Immediately disable the PDF 2 Post plugin via WordPress admin or command line
  • Implement strict network segmentation to isolate affected WordPress instances from critical systems

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Installed Plugins → PDF 2 Post version

Check Version:

wp plugin get pdf2post --field=version

Verify Fix Applied:

Verify PDF 2 Post plugin version is 2.4.1 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to /wp-content/plugins/pdf2post/ endpoints
  • PHP code execution attempts in web server logs
  • Sudden increase in plugin-related errors

Network Indicators:

  • HTTP requests containing suspicious code patterns targeting PDF 2 Post paths
  • Outbound connections from WordPress server to unknown IPs

SIEM Query:

source="web_server" AND (uri_path="/wp-content/plugins/pdf2post/*" AND (method="POST" OR status_code>=500))

🔗 References

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