CVE-2025-8664
📋 TL;DR
This Cross-Site Scripting (XSS) vulnerability in StarCities E-Municipality Management allows attackers to inject malicious scripts into web pages viewed by other users. It affects all versions before 20250825, potentially compromising user sessions and data. Municipal organizations using this software are at risk.
💻 Affected Systems
- Saysis Computer Systems Trade Ltd. Co. StarCities E-Municipality Management
⚠️ 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, deface municipal websites, redirect users to malicious sites, or perform actions on behalf of authenticated users.
Likely Case
Session hijacking, cookie theft, or defacement of public-facing municipal web pages.
If Mitigated
Limited to minor data leakage or temporary disruption if input validation and output encoding are partially implemented.
🎯 Exploit Status
Exploitation requires finding vulnerable input fields; no public exploit code available yet.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Version 20250825 or later
Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-25-0281
Restart Required: No
Instructions:
1. Contact Saysis Computer Systems for updated version 2. Backup current installation 3. Apply the patch/upgrade to version 20250825 or later 4. Test functionality
🔧 Temporary Workarounds
Implement Web Application Firewall (WAF)
allDeploy a WAF with XSS protection rules to filter malicious input.
Content Security Policy (CSP)
allImplement strict CSP headers to restrict script execution sources.
Content-Security-Policy: default-src 'self'; script-src 'self'
🧯 If You Can't Patch
- Isolate the application behind a reverse proxy with XSS filtering
- Disable user input fields or implement strict input validation on all forms
🔍 How to Verify
Check if Vulnerable:
Check application version in admin panel or configuration files; if version is earlier than 20250825, it's vulnerable.Check Version:
Check admin dashboard or configuration files for version number; no standard command available.Verify Fix Applied:
Confirm version is 20250825 or later and test input fields with basic XSS payloads (e.g., <script>alert('test')</script>).📡 Detection & Monitoring
Log Indicators:
- Unusual script tags or JavaScript in input fields
- Multiple failed login attempts from same IP after script injection
Network Indicators:
- HTTP requests containing script tags or JavaScript in parameters
- Unexpected redirects to external domains
SIEM Query:
source="web_logs" AND ("<script" OR "javascript:" OR "onerror=" OR "onload=")