CVE-2025-13127
📋 TL;DR
This is a cross-site scripting (XSS) vulnerability in GoldenHorn software from TAC Information Services that allows attackers to inject malicious scripts into web pages. When exploited, it can lead to session hijacking, data theft, or redirection to malicious sites. All users running GoldenHorn versions before 4.25.1121.1 are affected.
💻 Affected Systems
- TAC Information Services GoldenHorn
⚠️ 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 sensitive session cookies, compromise user accounts, redirect users to phishing sites, or perform actions on behalf of authenticated users.
Likely Case
Attackers inject malicious scripts to steal session tokens or credentials, potentially leading to unauthorized access to the application.
If Mitigated
With proper input validation and output encoding, the impact is minimal as malicious scripts would be neutralized before execution.
🎯 Exploit Status
XSS vulnerabilities typically have low exploitation complexity, especially when unauthenticated access is possible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.25.1121.1
Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-25-0441
Restart Required: Yes
Instructions:
1. Download GoldenHorn version 4.25.1121.1 or later from the vendor. 2. Backup current installation and data. 3. Install the updated version following vendor instructions. 4. Restart the application/service. 5. Verify the update was successful.
🔧 Temporary Workarounds
Implement Web Application Firewall (WAF)
allDeploy a WAF with XSS protection rules to filter malicious input before it reaches the application.
Content Security Policy (CSP)
allImplement strict CSP headers to restrict script execution sources and prevent inline script execution.
Add header: Content-Security-Policy: default-src 'self'; script-src 'self'
🧯 If You Can't Patch
- Implement input validation and output encoding at the application layer
- Deploy network segmentation to limit access to vulnerable systems
🔍 How to Verify
Check if Vulnerable:
Check the GoldenHorn version in the application interface or configuration files. If version is below 4.25.1121.1, the system is vulnerable.Check Version:
Check application settings or configuration files for version information specific to GoldenHorn installation.Verify Fix Applied:
Verify the installed version is 4.25.1121.1 or higher and test XSS payloads to ensure they are properly sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual script tags or JavaScript in URL parameters
- Multiple failed XSS attempts in web server logs
- Suspicious characters like <, >, &, ', " in request parameters
Network Indicators:
- HTTP requests containing script tags or JavaScript code in parameters
- Unusual content-type headers or payloads
SIEM Query:
source="web_server_logs" AND ("<script" OR "javascript:" OR "onerror=" OR "onload=") AND dest_port=80 OR dest_port=443