CVE-2026-90850
Deferred Deferred - Pending Action

Cross-Site Scripting in PHPGurukul Hostel Management System

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: VulDB

Description
A vulnerability was detected in PHPGurukul Hostel Management System 3.0. Affected by this issue is some unknown functionality of the file /admin/manage-students.php. The manipulation results in cross site scripting. The attack may be launched remotely. The exploit is now public and may be used.

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Meta Information

Published
2026-09-15
Last Modified
2026-09-15
Generated
2026-10-05
AI Q&A
2026-09-15
EPSS Evaluated
2026-10-04
NVD
CVE-2026-90850
EUVD
EUVD-2026-78252

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
phpgurukul hostel_management_system 3.0

Helpful Resources

Exploitability

CWE
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KEV
KEV Icon
CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Attack-Flow Graph

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Executive Summary

This vulnerability is a Stored Cross-Site Scripting (XSS) flaw in PHPGurukul Hostel Management System 3.0. It allows attackers to inject malicious JavaScript code through user inputs like student names or complaint details. The injected scripts are stored in the database and executed when administrators view affected pages, such as /admin/manage-students.php.

Detection Guidance

To detect this XSS vulnerability, inspect the PHPGurukul Hostel Management System 3.0 for unsanitized user inputs in admin views like /admin/manage-students.php. Check if student names, complaints, or feedback are rendered without proper output encoding. Test by submitting payloads like <img src=x onerror=alert(1)> in forms and verify if the script executes when viewed by an admin.

Impact Analysis

An attacker could steal session cookies, hijack administrator accounts, or perform unauthorized actions like modifying student records. Malicious scripts could also redirect users to phishing sites or steal sensitive data entered by administrators.

Compliance Impact

This XSS vulnerability could lead to unauthorized access to personal data, violating GDPR's data protection principles and HIPAA's security requirements. It may result in data breaches, non-compliance penalties, and loss of trust due to inadequate protection of sensitive information.

Mitigation Strategies

Immediately apply server-side output encoding using functions like htmlentities() for all database-backed outputs in admin views. Validate and constrain input on the server side. Implement a Content Security Policy to restrict script sources. Temporarily disable vulnerable forms if patches are unavailable.

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