CVE-2024-49688
📋 TL;DR
This vulnerability allows unauthenticated attackers to perform PHP object injection through deserialization of untrusted data in the ARPrice WordPress plugin. Attackers can execute arbitrary code, potentially leading to complete system compromise. All WordPress sites running ARPrice versions up to 4.0.3 are affected.
💻 Affected Systems
- ARPrice 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 takeover with remote code execution, data theft, website defacement, and installation of persistent backdoors.
Likely Case
Unauthenticated attackers gain shell access, install malware, steal sensitive data, and pivot to other systems.
If Mitigated
Attackers can still exploit the vulnerability but limited by network segmentation and strict file permissions.
🎯 Exploit Status
Public exploit details available on Patchstack; simple HTTP requests can trigger the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.0.4 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find ARPrice plugin. 4. Click 'Update Now' if update available. 5. If no update, manually download version 4.0.4+ from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Disable ARPrice Plugin
allTemporarily deactivate the vulnerable plugin until patched.
wp plugin deactivate arprice
Web Application Firewall Rule
allBlock requests containing serialized PHP object patterns.
Add WAF rule to block requests with patterns like 'O:' followed by numbers in POST/PUT data
🧯 If You Can't Patch
- Remove ARPrice plugin completely from all WordPress installations
- Implement strict network segmentation to isolate WordPress servers from critical systems
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > ARPrice version. If version is 4.0.3 or earlier, you are vulnerable.Check Version:
wp plugin get arprice --field=versionVerify Fix Applied:
Confirm ARPrice version is 4.0.4 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to WordPress admin-ajax.php or wp-admin endpoints
- PHP errors mentioning unserialize() or object injection
- Unexpected file creation in wp-content/uploads
Network Indicators:
- HTTP requests with serialized data patterns (O:8:"stdClass":)
- Unusual outbound connections from WordPress server
SIEM Query:
source="wordpress.log" AND ("unserialize" OR "O:" OR "admin-ajax.php") AND status=200