CVE-2026-1235
📋 TL;DR
The WP eCommerce WordPress plugin through version 3.15.1 has a PHP object injection vulnerability that allows unauthenticated attackers to execute arbitrary code on affected websites. This occurs because the plugin unserializes user-controlled input without proper validation. All WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- WP eCommerce 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
Complete server compromise leading to data theft, malware installation, or website defacement through remote code execution.
Likely Case
Unauthenticated attackers gain administrative access to WordPress, install backdoors, or steal sensitive data.
If Mitigated
Attack attempts are blocked by security controls, but the vulnerability remains present until patched.
🎯 Exploit Status
Exploitation requires a suitable gadget chain in the WordPress environment, but common WordPress components often provide these.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.15.2 or later
Vendor Advisory: https://wpscan.com/vulnerability/c7eb234e-3113-40db-a00d-358604d91e3f/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find WP eCommerce plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download latest version from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable AJAX endpoints
allRemove or restrict access to the vulnerable ajax actions in the plugin
Add to theme's functions.php or custom plugin: remove_action('wp_ajax_nopriv_wpsc_ajax', 'wpsc_ajax'); remove_action('wp_ajax_wpsc_ajax', 'wpsc_ajax');
Disable plugin
linuxTemporarily disable the WP eCommerce plugin until patched
wp plugin deactivate wp-e-commerce
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block serialized object injection attempts
- Restrict access to WordPress admin and ajax endpoints using IP whitelisting
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for WP eCommerce version 3.15.1 or earlier
Check Version:
wp plugin list --name='WP eCommerce' --field=version
Verify Fix Applied:
Confirm WP eCommerce plugin version is 3.15.2 or later in WordPress admin
📡 Detection & Monitoring
Log Indicators:
- POST requests to /wp-admin/admin-ajax.php with 'action' parameter containing 'wpsc_ajax'
- Unusual PHP errors related to unserialize() or object injection
Network Indicators:
- HTTP requests with serialized PHP objects in POST data to WordPress ajax endpoints
SIEM Query:
source="web_logs" AND uri="/wp-admin/admin-ajax.php" AND (post_data="O:" OR post_data="a:" OR post_data="s:")