CVE-2025-48169

9.9 CRITICAL

📋 TL;DR

CVE-2025-48169 is a critical code injection vulnerability in the WordPress Code Engine plugin that allows remote attackers to execute arbitrary code on affected systems. This affects all WordPress sites running Code Engine plugin versions up to 0.3.3, potentially compromising the entire web server.

💻 Affected Systems

Products:
  • WordPress Code Engine plugin
Versions: n/a through 0.3.3
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with the vulnerable plugin version are affected regardless of configuration.

⚠️ 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 takeover with attacker gaining full control of the web server, installing backdoors, stealing sensitive data, and using the server as a pivot point to attack internal networks.

🟠

Likely Case

Website defacement, data theft, malware installation, and use of the server for cryptocurrency mining or DDoS attacks.

🟢

If Mitigated

Limited impact if proper web application firewalls, file integrity monitoring, and least privilege principles are implemented.

🌐 Internet-Facing: HIGH - WordPress plugins are typically internet-facing and this vulnerability requires no authentication.
🏢 Internal Only: MEDIUM - Internal WordPress installations could still be exploited by internal threat actors or through phishing attacks.

🎯 Exploit Status

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

The vulnerability is publicly documented with technical details available, making exploitation straightforward for attackers.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 0.3.4 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/code-engine/vulnerability/wordpress-code-engine-plugin-0-3-3-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 Code Engine plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 0.3.4+ from WordPress repository and replace the plugin files.

🔧 Temporary Workarounds

Disable Code Engine Plugin

all

Temporarily disable the vulnerable plugin until patching is possible

wp plugin deactivate code-engine

Web Application Firewall Rule

all

Block requests to Code Engine plugin endpoints

# Add to .htaccess for Apache:
RewriteRule ^wp-content/plugins/code-engine/.*$ - [F,L]
# Add to nginx config:
location ~* /wp-content/plugins/code-engine/ { deny all; }

🧯 If You Can't Patch

  • Immediately disable the Code Engine plugin via WordPress admin or command line
  • Implement strict network segmentation and monitor all traffic to/from the affected WordPress server

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Code Engine version. If version is 0.3.3 or earlier, you are vulnerable.

Check Version:

wp plugin get code-engine --field=version

Verify Fix Applied:

Verify Code Engine plugin version is 0.3.4 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to /wp-content/plugins/code-engine/ endpoints
  • Sudden appearance of suspicious PHP files in plugin directories
  • Unexpected process execution from web server user

Network Indicators:

  • Outbound connections from web server to unknown IPs
  • Unusual spikes in traffic to plugin endpoints
  • HTTP requests containing suspicious code patterns

SIEM Query:

source="web_server_logs" AND (uri="/wp-content/plugins/code-engine/*" OR user_agent CONTAINS "curl" OR user_agent CONTAINS "wget") AND status=200

🔗 References

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