CVE-2025-66093
📋 TL;DR
This DOM-based cross-site scripting (XSS) vulnerability in the Extensions for Leaflet Map WordPress plugin allows attackers to inject malicious scripts into web pages viewed by users. Attackers can steal session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users. WordPress sites using vulnerable versions of this plugin are affected.
💻 Affected Systems
- Extensions for Leaflet Map 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 steal administrator credentials, take over the WordPress site, install backdoors, or deface the website completely.
Likely Case
Attackers steal user session cookies or authentication tokens, potentially gaining unauthorized access to user accounts and performing actions on their behalf.
If Mitigated
With proper input validation and output encoding, malicious scripts would be neutralized before execution, preventing any impact.
🎯 Exploit Status
DOM-based XSS typically requires user interaction (clicking a malicious link) but can be exploited without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 4.9 or later
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Extensions for Leaflet Map'. 4. Click 'Update Now' if available. 5. Alternatively, download version 4.9+ from WordPress repository and manually update.
🔧 Temporary Workarounds
Disable vulnerable plugin
allTemporarily disable the Extensions for Leaflet Map plugin until patched
wp plugin deactivate extensions-leaflet-map
Implement Content Security Policy
allAdd CSP headers to restrict script execution sources
Add to .htaccess: Header set Content-Security-Policy "default-src 'self'; script-src 'self'"
Add to nginx config: add_header Content-Security-Policy "default-src 'self'; script-src 'self'";
🧯 If You Can't Patch
- Implement web application firewall (WAF) rules to block XSS payloads
- Monitor for suspicious JavaScript execution and user redirections
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel > Plugins > Extensions for Leaflet Map version. If version is 4.8 or lower, you are vulnerable.Check Version:
wp plugin get extensions-leaflet-map --field=versionVerify Fix Applied:
Verify plugin version is 4.9 or higher in WordPress admin panel.📡 Detection & Monitoring
Log Indicators:
- Unusual JavaScript in URL parameters
- Suspicious redirects from Leaflet Map pages
- Multiple failed authentication attempts following map page visits
Network Indicators:
- HTTP requests with JavaScript payloads in query parameters
- Outbound connections to unknown domains following map interactions
SIEM Query:
source="wordpress" AND (url="*<script>*" OR url="*javascript:*" OR url="*onload=*" OR url="*onerror=*")