PHPGurukul Hostel Management System register-complaint.php cross site scripting

Successful exploitation of CVE-2025-13577 allows an attacker to execute arbitrary JavaScript code within the context of a user's browser session. This can lead to various malicious actions, including session hijacking, phishing attacks, and defacement of the Hostel Management System's interface. An attacker could steal sensitive user data, such as login credentials or personal information stored within the application. The impact is amplified if the system is used to manage sensitive student or staff data, potentially leading to a breach of privacy and regulatory compliance issues. Given the public availability of a proof-of-concept, the risk of exploitation is considered elevated.

Educational institutions and organizations utilizing PHPGurukul Hostel Management System version 2.1 are at risk. Specifically, those with publicly accessible instances of the system or those lacking robust input validation practices are particularly vulnerable. Shared hosting environments where multiple users share the same server instance also increase the potential attack surface.

• php: Examine /register-complaint.php for unsanitized use of the cdetails variable. Search for instances where user input is directly outputted to the browser without proper encoding. • generic web: Monitor access logs for unusual requests to /register-complaint.php with suspicious parameters in the cdetails field. Look for POST requests containing JavaScript code. • generic web: Use curl to test the /register-complaint.php endpoint with a simple XSS payload (e.g., <script>alert('XSS')</script>).

1. 2025-11-24Disclosure

   disclosure

1. Reservado2025-11-23
2. Publicada2025-11-24
3. Modificada2026-02-24
4. EPSS atualizado2026-03-23

The primary mitigation for CVE-2025-13577 is to upgrade to a patched version of PHPGurukul Hostel Management System. Since a fixed version is not specified, thoroughly review the vendor's release notes for updates addressing XSS vulnerabilities. As a temporary workaround, implement strict input validation and output encoding on the cdetails parameter within the /register-complaint.php file. Consider using a Web Application Firewall (WAF) with XSS filtering rules to block malicious requests. Regularly scan the application for XSS vulnerabilities using automated tools.