CVE-2025-30772

8.8 HIGH

📋 TL;DR

This vulnerability allows attackers to update arbitrary WordPress options without proper authorization, leading to privilege escalation. It affects WooCommerce sites using WPC Smart Upsell Funnel plugin versions up to 3.0.4. Attackers could gain administrative access to vulnerable WordPress installations.

💻 Affected Systems

Products:
  • WPC Smart Upsell Funnel for WooCommerce
Versions: n/a through 3.0.4
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress with WooCommerce installed. All default configurations are 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

Full site compromise where attackers gain administrator privileges, install backdoors, steal customer data, and deface or take down the entire WooCommerce store.

🟠

Likely Case

Attackers gain administrative access to WordPress backend, modify site settings, inject malicious code, or access sensitive order/customer information.

🟢

If Mitigated

Attackers can only access the vulnerability but are blocked by network controls, WAF rules, or other security layers.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires some WordPress user access to exploit. The vulnerability is in the plugin's option update functionality.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.0.5 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/wpc-smart-upsell-funnel/vulnerability/wordpress-wpc-smart-upsell-funnel-for-woocommerce-plugin-3-0-4-arbitrary-option-update-to-privilege-escalation-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Go to Plugins → Installed Plugins. 3. Find 'WPC Smart Upsell Funnel for WooCommerce'. 4. Click 'Update Now' if available. 5. If no update appears, download version 3.0.5+ from WordPress.org and manually update.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate WPC Smart Upsell Funnel plugin until patched

Restrict plugin access

all

Use WordPress user role editor to restrict who can access plugin settings

🧯 If You Can't Patch

  • Implement strict network access controls to limit who can access WordPress admin interface
  • Deploy web application firewall (WAF) with rules to detect and block privilege escalation attempts

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins → WPC Smart Upsell Funnel for WooCommerce version number

Check Version:

wp plugin list --name='WPC Smart Upsell Funnel for WooCommerce' --field=version

Verify Fix Applied:

Verify plugin version is 3.0.5 or higher in WordPress plugins page

📡 Detection & Monitoring

Log Indicators:

  • Unusual option_update operations in WordPress debug logs
  • Multiple failed authorization attempts followed by successful admin actions
  • User role changes from lower to administrator

Network Indicators:

  • HTTP POST requests to /wp-admin/admin-ajax.php with option update parameters
  • Unusual admin interface access from unexpected IP addresses

SIEM Query:

source="wordpress.log" AND ("option_update" OR "update_option") AND NOT user="administrator"

🔗 References

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