CVE-2025-47536
📋 TL;DR
A deserialization vulnerability in the Content Egg WordPress plugin allows attackers to inject malicious objects by manipulating serialized data. This affects all WordPress sites running Content Egg versions up to 7.0.0, potentially leading to remote code execution.
💻 Affected Systems
- Content Egg 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
Remote code execution leading to complete system compromise, data theft, or ransomware deployment.
Likely Case
Arbitrary file upload leading to backdoor installation and persistent access.
If Mitigated
Limited impact if proper input validation and output encoding are implemented.
🎯 Exploit Status
Exploitation requires some level of access but is straightforward once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 7.0.1 or later
Vendor Advisory: https://patchstack.com/database/wordpress/plugin/content-egg/vulnerability/wordpress-content-egg-7-0-0-php-object-injection-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Content Egg and click 'Update Now'. 4. Verify version is 7.0.1 or higher.
🔧 Temporary Workarounds
Disable Content Egg plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate content-egg
Restrict plugin access
allUse web application firewall to block requests to Content Egg endpoints.
🧯 If You Can't Patch
- Implement strict input validation and sanitization for all user-supplied data.
- Deploy web application firewall with rules to detect and block deserialization attacks.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Content Egg version number.Check Version:
wp plugin get content-egg --field=versionVerify Fix Applied:
Confirm Content Egg version is 7.0.1 or higher in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to Content Egg endpoints
- PHP object injection attempts in logs
Network Indicators:
- HTTP requests with serialized PHP objects in parameters
SIEM Query:
source="web.log" AND ("content-egg" OR "php_object") AND ("unserialize" OR "serialize")