CVE-2025-4387

8.8 HIGH

📋 TL;DR

The Abandoned Cart Pro for WooCommerce plugin contains an authenticated arbitrary file upload vulnerability that allows attackers with subscriber-level access or higher to upload malicious files to the server. This can lead to remote code execution depending on server configuration, affecting all WordPress sites using vulnerable versions of this plugin.

💻 Affected Systems

Products:
  • Abandoned Cart Pro for WooCommerce
Versions: All versions up to and including 9.16.0
Operating Systems: All operating systems running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires authenticated user with at least subscriber role. Affects all WordPress installations with vulnerable plugin versions.

⚠️ 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

Full server compromise leading to data theft, defacement, malware distribution, or ransomware deployment through remote code execution.

🟠

Likely Case

Website defacement, data exfiltration, or backdoor installation for persistent access.

🟢

If Mitigated

Limited to file uploads that don't execute due to server hardening, but still poses data integrity risks.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires authenticated access but is straightforward once credentials are obtained.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 9.17.0

Vendor Advisory: https://www.tychesoftwares.com/docs/docs/abandoned-cart-pro-for-woocommerce-new/changelog-abandoned-cart-pro/#changelog-abandon-cart-pro-for-woocommerce-9-17-0-release-date-m

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Abandoned Cart Pro for WooCommerce. 4. Click 'Update Now' or manually update to version 9.17.0+. 5. Verify update completes successfully.

🔧 Temporary Workarounds

Disable plugin temporarily

all

Deactivate the vulnerable plugin until patching is possible

wp plugin deactivate abandoned-cart-pro-for-woocommerce

Restrict file uploads via .htaccess

linux

Block PHP and other executable file uploads in WordPress uploads directory

<FilesMatch "\.(php|php3|php4|php5|phtml|pl|py|jsp|asp|sh|cgi)$">\n  Order Allow,Deny\n  Deny from all\n</FilesMatch>

🧯 If You Can't Patch

  • Remove subscriber upload capabilities or restrict to trusted users only
  • Implement web application firewall rules to block suspicious file uploads

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Abandoned Cart Pro for WooCommerce version. If version is 9.16.0 or lower, you are vulnerable.

Check Version:

wp plugin get abandoned-cart-pro-for-woocommerce --field=version

Verify Fix Applied:

Confirm plugin version is 9.17.0 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unusual file uploads to /wp-content/uploads/ directory
  • POST requests to wcap_add_to_cart_popup_upload_files endpoint with executable files
  • Multiple failed login attempts followed by successful uploads

Network Indicators:

  • HTTP POST requests with file uploads to WordPress admin-ajax.php or plugin-specific endpoints
  • Outbound connections from server after file uploads

SIEM Query:

source="web_logs" AND (uri="*admin-ajax.php*" OR uri="*wcap*" OR uri="*abandoned-cart*") AND (method="POST") AND (file_extension="php" OR file_extension="exe" OR file_extension="sh")

🔗 References

📤 Share & Export