CVE-2024-53726
📋 TL;DR
This CSRF vulnerability in RealtyCandy IDX Broker Extended WordPress plugin allows attackers to trick authenticated administrators into performing actions that inject malicious scripts. When exploited, it leads to stored XSS where malicious scripts persist on the site. All WordPress sites using affected plugin versions are vulnerable.
💻 Affected Systems
- RealtyCandy IDX Broker Extended 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
Attackers could inject persistent malicious scripts that steal admin credentials, deface websites, redirect visitors to malicious sites, or install backdoors for complete site compromise.
Likely Case
Attackers create fake admin pages or forms that trick logged-in administrators into executing actions that inject malicious JavaScript, leading to session hijacking or content manipulation.
If Mitigated
With proper CSRF tokens and input validation, the vulnerability would be prevented, requiring attackers to find alternative methods for exploitation.
🎯 Exploit Status
Exploitation requires social engineering to trick authenticated administrators into clicking malicious links or visiting crafted pages.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version after 1.5.1
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'RealtyCandy IDX Broker Extended'. 4. Click 'Update Now' if available. 5. If no update appears, manually download latest version from WordPress repository and replace plugin files.
🔧 Temporary Workarounds
Implement CSRF Protection
allAdd nonce verification to all plugin forms and actions
Disable Plugin
WordPressTemporarily disable the plugin until patched
wp plugin deactivate realtycandy-idx-broker-extended
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block CSRF attempts
- Restrict admin access to trusted IP addresses only
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → RealtyCandy IDX Broker Extended version number
Check Version:
wp plugin get realtycandy-idx-broker-extended --field=version
Verify Fix Applied:
Confirm plugin version is higher than 1.5.1 and test forms for CSRF token implementation
📡 Detection & Monitoring
Log Indicators:
- Multiple failed admin actions from same IP
- Unexpected plugin file modifications
- Admin actions without proper referrer headers
Network Indicators:
- POST requests to admin-ajax.php or plugin endpoints without CSRF tokens
- Suspicious redirects in HTTP traffic
SIEM Query:
source="wordpress.log" AND ("realtycandy" OR "idx-broker") AND ("admin" OR "wp-admin") AND status=200 AND method=POST