CVE-2025-68038
📋 TL;DR
This vulnerability allows attackers to execute arbitrary code through PHP object injection by exploiting unsafe deserialization in Icegram Express Pro. It affects all WordPress sites using the Icegram Express Pro plugin version 5.9.11 or earlier. Attackers can achieve remote code execution without authentication.
💻 Affected Systems
- Icegram Express Pro (email-subscribers-premium)
⚠️ 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 system compromise allowing attackers to execute arbitrary code, install backdoors, steal sensitive data, and pivot to other systems.
Likely Case
Remote code execution leading to website defacement, data theft, malware installation, and unauthorized administrative access.
If Mitigated
Limited impact if proper input validation and output encoding are implemented, though deserialization vulnerabilities remain dangerous.
🎯 Exploit Status
The vulnerability is publicly documented with technical details available, making weaponization likely. No authentication required for exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 5.9.11
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Icegram Express Pro' and check if update is available. 4. Click 'Update Now' to install the latest version. 5. Verify the plugin version is greater than 5.9.11.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the Icegram Express Pro plugin until patched.
wp plugin deactivate email-subscribers-premium
Restrict plugin access
allUse web application firewall rules to block access to plugin files.
# Add to .htaccess for Apache:
<Files "email-subscribers-premium/*">
Order Allow,Deny
Deny from all
</Files>
# Add to nginx config:
location ~ /wp-content/plugins/email-subscribers-premium/ {
deny all;
}
🧯 If You Can't Patch
- Remove the Icegram Express Pro plugin completely from the WordPress installation.
- Implement strict input validation and output encoding for all user-supplied data in custom code.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Installed Plugins → Icegram Express Pro version. If version is 5.9.11 or lower, you are vulnerable.Check Version:
wp plugin get email-subscribers-premium --field=versionVerify Fix Applied:
After updating, verify the plugin version shows a number higher than 5.9.11 in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints
- Unexpected PHP errors related to deserialization
- Suspicious file creation in wp-content directories
Network Indicators:
- HTTP requests containing serialized PHP objects in parameters
- Traffic patterns targeting /wp-content/plugins/email-subscribers-premium/
SIEM Query:
source="web_logs" AND (uri_path="/wp-content/plugins/email-subscribers-premium/" OR user_agent CONTAINS "serialize" OR params CONTAINS "O:")