CVE-2026-3412
📋 TL;DR
A cross-site scripting (XSS) vulnerability in itsourcecode University Management System 1.0 allows attackers to inject malicious scripts via the 'dt' parameter in /att_single_view.php. This affects all users of this specific software version who access the vulnerable page. The vulnerability can be exploited remotely without authentication.
💻 Affected Systems
- itsourcecode University Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attackers could steal session cookies, redirect users to malicious sites, perform actions on behalf of authenticated users, or deliver malware to visitors.
Likely Case
Attackers will typically use this to steal session cookies or credentials, potentially leading to account takeover and unauthorized access to university management data.
If Mitigated
With proper input validation and output encoding, the malicious scripts would be neutralized before execution, preventing any impact.
🎯 Exploit Status
The exploit is publicly available and requires minimal technical skill to execute. No authentication is required to exploit this vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://itsourcecode.com/
Restart Required: No
Instructions:
No official patch is available. Check the vendor website for updates or consider alternative solutions.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement server-side validation and sanitization of the 'dt' parameter in /att_single_view.php to remove or encode malicious scripts.
Modify /att_single_view.php to sanitize input: $dt = htmlspecialchars($_GET['dt'], ENT_QUOTES, 'UTF-8');
Web Application Firewall (WAF)
allDeploy a WAF with XSS protection rules to block malicious requests containing script payloads.
🧯 If You Can't Patch
- Disable or restrict access to /att_single_view.php if not essential.
- Implement Content Security Policy (CSP) headers to restrict script execution sources.
🔍 How to Verify
Check if Vulnerable:
Test by accessing /att_single_view.php?dt=<script>alert('XSS')</script> and checking if the script executes in the browser.
Check Version:
Check the software documentation or configuration files for version information, typically in README or about pages.
Verify Fix Applied:
After applying fixes, test the same payload to ensure no script execution occurs and input is properly sanitized.
📡 Detection & Monitoring
Log Indicators:
- HTTP requests to /att_single_view.php containing script tags or JavaScript in the 'dt' parameter.
- Unusual patterns of requests to the vulnerable endpoint.
Network Indicators:
- Incoming requests with malicious script payloads in query parameters.
SIEM Query:
source="web_server" AND uri_path="/att_single_view.php" AND query_string="*<script>*"