CVE-2025-67585
📋 TL;DR
This CVE describes an open redirect vulnerability in the flexmls IDX WordPress plugin that allows attackers to redirect users to malicious websites. The vulnerability affects all WordPress sites using flexmls IDX plugin versions up to and including 3.15.7, potentially enabling phishing attacks against site visitors.
💻 Affected Systems
- flexmls IDX 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 redirect legitimate users to convincing phishing sites that steal credentials, payment information, or install malware, potentially compromising entire organizations through supply chain attacks.
Likely Case
Phishing campaigns targeting users of real estate websites, leading to credential theft and financial fraud against home buyers, sellers, and agents.
If Mitigated
Users recognize suspicious URLs or browser warnings, limiting successful phishing attempts to less sophisticated targets.
🎯 Exploit Status
Open redirect vulnerabilities are trivial to exploit once the vulnerable parameter is identified. Attackers can craft malicious URLs that appear legitimate.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 3.15.8 or later
Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/flexmls-idx/vulnerability/wordpress-flexmls-idx-plugin-3-15-7-open-redirection-vulnerability?_s_id=cve
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'flexmls IDX' plugin. 4. Click 'Update Now' if update available. 5. If no update available, download version 3.15.8+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the flexmls IDX plugin until patched
wp plugin deactivate flexmls-idx
Web Application Firewall rule
allBlock redirects to external domains from flexmls IDX endpoints
🧯 If You Can't Patch
- Implement strict Content Security Policy (CSP) headers to restrict redirect destinations
- Deploy web application firewall with open redirect protection rules
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin → Plugins → Installed Plugins for flexmls IDX version. If version is 3.15.7 or earlier, system is vulnerable.Check Version:
wp plugin get flexmls-idx --field=versionVerify Fix Applied:
Verify flexmls IDX plugin version is 3.15.8 or later in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- HTTP 302/301 redirects from flexmls IDX endpoints to external domains
- Unusual referral patterns in access logs
Network Indicators:
- Redirects containing suspicious parameters like 'redirect_to', 'url', 'return' pointing to external domains
SIEM Query:
source="web_access_logs" AND (uri_path="*flexmls*" OR user_agent="*flexmls*") AND (status_code=302 OR status_code=301) AND referrer_domain!=host_domain