CVE-2023-26009
📋 TL;DR
This vulnerability in the Houzez Login Register WordPress plugin allows attackers to escalate privileges due to improper privilege management. Attackers can gain administrative access to WordPress sites running vulnerable versions. All WordPress sites using affected plugin versions are at risk.
💻 Affected Systems
- favethemes Houzez Login Register 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 site takeover where attackers gain full administrative control, install backdoors, steal sensitive data, deface the site, or use it for further attacks.
Likely Case
Attackers gain administrative access to compromise the WordPress site, potentially installing malware, creating backdoor accounts, or accessing sensitive user data.
If Mitigated
With proper access controls and monitoring, impact is limited to detection and remediation of unauthorized access attempts.
🎯 Exploit Status
Exploitation requires some level of access but privilege escalation is straightforward once initial access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.6.4 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/houzez-login-register/wordpress-houzez-login-register-plugin-2-6-3-privilege-escalation
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find Houzez Login Register plugin. 4. Click 'Update Now' if update available. 5. Alternatively, download version 2.6.4+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the Houzez Login Register plugin until patched
wp plugin deactivate houzez-login-register
Restrict plugin access
allUse web application firewall to block access to plugin files
🧯 If You Can't Patch
- Implement strict access controls and monitor for privilege escalation attempts
- Deploy web application firewall with rules to detect and block exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → Houzez Login Register → check version numberCheck Version:
wp plugin get houzez-login-register --field=versionVerify Fix Applied:
Verify plugin version is 2.6.4 or higher in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unusual privilege escalation events in WordPress logs
- Multiple failed login attempts followed by successful admin login from same IP
- New administrator accounts created unexpectedly
Network Indicators:
- HTTP requests to plugin-specific endpoints with privilege escalation parameters
SIEM Query:
source="wordpress.log" AND ("privilege escalation" OR "admin user created" OR "user role changed")