CVE-2025-57240
📋 TL;DR
This cross-site scripting (XSS) vulnerability in the 17gz International Student service system allows attackers to inject malicious scripts during user registration. When exploited, this could enable attackers to steal user credentials, session cookies, or perform actions on behalf of users. Organizations using version 1.0 of this student service system are affected.
💻 Affected Systems
- 17gz International Student service system
⚠️ 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 entire system, and potentially access sensitive student data including personal information and academic records.
Likely Case
Attackers would steal user session cookies to impersonate legitimate users, potentially accessing their personal information and performing unauthorized actions within the system.
If Mitigated
With proper input validation and output encoding, the attack would fail to execute, though malicious input might still be stored in the system.
🎯 Exploit Status
The GitHub reference shows proof-of-concept XSS payloads. Exploitation requires no authentication and can be performed by any user during registration.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
1. Contact the vendor for an official patch or updated version. 2. If no patch is available, implement the workarounds below. 3. Consider migrating to a different student service system if the vendor is unresponsive.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement server-side validation and sanitization of all user input during registration
Content Security Policy
webImplement a strict Content Security Policy header to prevent script execution from untrusted sources
Content-Security-Policy: default-src 'self'; script-src 'self'
🧯 If You Can't Patch
- Implement a Web Application Firewall (WAF) with XSS protection rules
- Disable user registration functionality if not essential
🔍 How to Verify
Check if Vulnerable:
Test registration form with XSS payloads like <script>alert('XSS')</script> and check if script executesCheck Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Retest with same XSS payloads after implementing fixes to confirm scripts no longer execute📡 Detection & Monitoring
Log Indicators:
- Unusual registration attempts with script tags or JavaScript code in input fields
- Multiple failed registration attempts with suspicious payloads
Network Indicators:
- HTTP requests containing script tags or JavaScript in registration parameters
- Unusual traffic patterns to registration endpoints
SIEM Query:
source="web_logs" AND (uri_path="/register" OR uri_path="/signup") AND (message CONTAINS "<script>" OR message CONTAINS "javascript:")