CVE-2024-47636
📋 TL;DR
This vulnerability allows attackers to execute arbitrary code through PHP object injection by exploiting unsafe deserialization in the Eyecix JobSearch WordPress plugin. All WordPress sites running JobSearch versions up to 2.5.9 are affected, potentially enabling complete system compromise.
💻 Affected Systems
- Eyecix JobSearch WordPress Plugin
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete server takeover, data exfiltration, ransomware deployment, or website defacement.
Likely Case
Unauthenticated attackers gain administrative access to WordPress, install backdoors, or steal sensitive data.
If Mitigated
Attackers can still exploit the vulnerability but impact is limited by network segmentation, minimal privileges, and other security controls.
🎯 Exploit Status
Public exploit details exist, making this easily weaponizable by attackers with basic skills.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.6.0 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/wp-jobsearch/wordpress-wp-jobsearch-plugin-2-5-9-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 'JobSearch' plugin. 4. Click 'Update Now' if update is available. 5. If no update appears, manually download version 2.6.0+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable JobSearch Plugin
allTemporarily disable the vulnerable plugin until patching is possible.
wp plugin deactivate wp-jobsearch
Web Application Firewall Rule
allBlock requests containing serialized PHP objects targeting JobSearch endpoints.
🧯 If You Can't Patch
- Disable the JobSearch plugin immediately.
- Implement strict network segmentation to isolate affected WordPress instances.
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > JobSearch version. If version is 2.5.9 or earlier, you are vulnerable.
Check Version:
wp plugin get wp-jobsearch --field=version
Verify Fix Applied:
Confirm JobSearch plugin version is 2.6.0 or higher in WordPress admin panel.
📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to JobSearch plugin endpoints
- PHP unserialize() errors in web server logs
- Unexpected file uploads or modifications
Network Indicators:
- HTTP requests containing serialized PHP objects (O: or a: patterns)
- Traffic to known exploit paths like /wp-content/plugins/wp-jobsearch/
SIEM Query:
source="web_logs" AND (uri="*wp-jobsearch*" AND (data="*O:*" OR data="*a:*"))