CVE-2023-26540
📋 TL;DR
This CVE describes an improper privilege management vulnerability in the Favethemes Houzez WordPress theme that allows attackers to escalate privileges. It affects all Houzez theme versions up to and including 2.7.1. Attackers could gain administrative access to WordPress sites using this theme.
💻 Affected Systems
- Favethemes Houzez WordPress Theme
⚠️ 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 privileges to modify content, install malicious plugins/themes, or access sensitive user data.
If Mitigated
Limited impact if proper access controls, monitoring, and least privilege principles are already implemented.
🎯 Exploit Status
Exploitation requires some level of initial access but privilege escalation mechanisms are well-documented.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 2.7.2 or later
Vendor Advisory: https://patchstack.com/database/vulnerability/houzez/wordpress-houzez-theme-2-7-1-privilege-escalation
Restart Required: No
Instructions:
1. Update Houzez theme to version 2.7.2 or later via WordPress admin panel. 2. Navigate to Appearance > Themes. 3. Click 'Update Now' for Houzez theme. 4. Clear any caching plugins/CDN caches.
🔧 Temporary Workarounds
Temporary Theme Deactivation
allSwitch to a default WordPress theme until patching is possible
wp theme activate twentytwentythree
User Role Restrictions
allTighten user role capabilities using security plugins
🧯 If You Can't Patch
- Implement strict access controls and monitor for unusual privilege changes
- Deploy web application firewall rules to block privilege escalation attempts
🔍 How to Verify
Check if Vulnerable:
Check Houzez theme version in WordPress admin under Appearance > ThemesCheck Version:
wp theme list --name=houzez --field=versionVerify Fix Applied:
Confirm theme version is 2.7.2 or later and test privilege escalation attempts fail📡 Detection & Monitoring
Log Indicators:
- Unexpected user role changes in WordPress logs
- Administrative actions from non-admin users
- Failed login attempts followed by successful privilege changes
Network Indicators:
- HTTP POST requests to theme-specific admin-ajax.php endpoints with privilege parameters
SIEM Query:
source="wordpress.log" AND ("user_role_changed" OR "capabilities_modified")