CVE-2024-52445
📋 TL;DR
This vulnerability allows attackers to inject malicious objects through deserialization of untrusted data in the QRMenu Restaurant QR Menu Lite WordPress plugin. Attackers can execute arbitrary code on affected WordPress sites. All WordPress installations using vulnerable versions of this plugin are affected.
💻 Affected Systems
- QRMenu Restaurant QR Menu Lite 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, ransomware deployment, or website defacement.
Likely Case
Unauthorized administrative access to WordPress, plugin/theme installation, or data exfiltration.
If Mitigated
Limited impact if proper input validation and output encoding are implemented elsewhere.
🎯 Exploit Status
Deserialization vulnerabilities are commonly exploited and weaponization is likely given the high CVSS score.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.0.4 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'QRMenu Restaurant QR Menu Lite'. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 1.0.4+ from WordPress.org and replace plugin files.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched.
wp plugin deactivate qrmenu-lite
Restrict Plugin Access
allUse web application firewall to block requests to plugin endpoints.
🧯 If You Can't Patch
- Remove the QRMenu Restaurant QR Menu Lite plugin completely
- Implement strict input validation and output encoding in custom code
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Installed Plugins for QRMenu Restaurant QR Menu Lite version 1.0.3 or earlier.Check Version:
wp plugin get qrmenu-lite --field=versionVerify Fix Applied:
Verify plugin version is 1.0.4 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual POST requests to plugin endpoints
- PHP error logs containing unserialize() warnings
Network Indicators:
- HTTP requests containing serialized PHP objects in parameters
SIEM Query:
source="web_logs" AND (uri_path="/wp-content/plugins/qrmenu-lite/" OR user_agent CONTAINS "qrmenu") AND status_code=200