CVE-2025-9116
📋 TL;DR
This vulnerability allows attackers to inject malicious scripts via the REQUEST_URI parameter in the WPS Visitor Counter WordPress plugin. When victims using old web browsers visit a specially crafted URL, the script executes in their browser. WordPress sites using vulnerable plugin versions are affected.
💻 Affected Systems
- WPS Visitor Counter 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 session cookies, redirect users to malicious sites, or perform actions on behalf of authenticated users in old browsers.
Likely Case
Limited impact due to requirement of old browsers; potential for session hijacking or credential theft in specific environments.
If Mitigated
Minimal impact with modern browsers that have XSS protections enabled by default.
🎯 Exploit Status
Exploitation requires user interaction (clicking malicious link) and old browsers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.4.9 or later
Vendor Advisory: https://wpscan.com/vulnerability/fe2eb926-96e8-419e-bf41-5531546e6590/
Restart Required: No
Instructions:
1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'WPS Visitor Counter' and update to version 1.4.9 or later. 4. Verify update completes successfully.
🔧 Temporary Workarounds
Disable Plugin
allTemporarily disable the vulnerable plugin until patched
wp plugin deactivate wps-visitor-counter
Web Application Firewall Rule
allBlock malicious REQUEST_URI patterns containing script tags
🧯 If You Can't Patch
- Implement Content Security Policy (CSP) headers to restrict script execution
- Ensure all users use modern browsers with XSS protection enabled
🔍 How to Verify
Check if Vulnerable:
Check WordPress admin panel → Plugins → WPS Visitor Counter version. If version is 1.4.8 or earlier, you are vulnerable.Check Version:
wp plugin get wps-visitor-counter --field=versionVerify Fix Applied:
After updating, verify plugin version shows 1.4.9 or later in WordPress admin.📡 Detection & Monitoring
Log Indicators:
- Unusual long URLs containing script tags in access logs
- Multiple 404 errors with script payloads in REQUEST_URI
Network Indicators:
- HTTP requests with script tags in URL parameters
- Suspicious redirects from your WordPress site
SIEM Query:
source="web_access_logs" AND (url="*<script>*" OR url="*javascript:*") AND uri_path="*/wp-content/plugins/wps-visitor-counter/*"