CVE-2023-45633
📋 TL;DR
This CVE describes a Missing Authorization vulnerability in the IDX IMPress Listings WordPress plugin that allows attackers to bypass access controls. It affects all versions up to 2.6.2, potentially enabling unauthorized access to restricted functionality. WordPress sites using this plugin are vulnerable.
💻 Affected Systems
- IDX IMPress Listings 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 compromise of the WordPress site through privilege escalation, data manipulation, or unauthorized administrative actions.
Likely Case
Unauthorized access to listing management functions, potentially modifying or deleting real estate listings.
If Mitigated
Limited impact with proper authentication and authorization controls in place.
🎯 Exploit Status
Requires some level of access but can bypass authorization checks once authenticated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 2.6.2
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'IMPress Listings' and update to latest version. 4. Verify update completed successfully.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate impress-listings
Restrict Access
linuxImplement IP whitelisting for WordPress admin area
Add to .htaccess: Order Deny,Allow\nDeny from all\nAllow from 192.168.1.0/24
🧯 If You Can't Patch
- Implement strict role-based access controls and audit all user permissions
- Monitor for unauthorized access attempts and implement web application firewall rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for IMPress Listings version ≤2.6.2Check Version:
wp plugin get impress-listings --field=versionVerify Fix Applied:
Verify plugin version is >2.6.2 in WordPress admin panel📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to listing management endpoints
- Unexpected user role changes or privilege escalations
Network Indicators:
- Unusual API calls to /wp-admin/admin-ajax.php with listing-related actions
SIEM Query:
source="wordpress.log" AND ("impress-listings" OR "listing_management") AND ("unauthorized" OR "access_denied")