Improper Authorization in Student Grades Management System via grades.php

Publication date: 2026-05-25

Last updated on: 2026-05-25

Assigner: VulDB

Description

A vulnerability was found in SourceCodester Student Grades Management System 1.0. Affected is an unknown function of the file grades.php. Performing a manipulation of the argument student_id results in improper authorization. The attack may be initiated remotely. The exploit has been made public and could be used.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-05-25

Last Modified

2026-05-25

Generated

2026-07-05

AI Q&A

2026-05-26

EPSS Evaluated

2026-07-04

NVD

CVE-2026-9483

EUVD

EUVD-2026-31715

Affected Vendors & Products

Vendor	Product	Version / Range
sourcecodester	student_grades_management_system	1.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-285	The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
CWE-266	A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

Executive Summary

This vulnerability exists in the SourceCodester Student Grades Management System 1.0, specifically in an unknown function within the file grades.php. It involves manipulation of the argument student_id, which leads to improper authorization. This means an attacker can remotely exploit this flaw to bypass authorization controls.

Impact Analysis

The vulnerability allows an attacker to remotely manipulate the student_id parameter to gain unauthorized access or perform actions they should not be allowed to. This can lead to unauthorized viewing or modification of student grades or related data, potentially compromising the integrity and confidentiality of the system's information.

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