CVE-2026-86221
Received Received - Intake

SQL Injection in Class and Exam Timetabling System

Publication date: 2026-09-06

Last updated on: 2026-09-06

Assigner: VulDB

Description
A flaw has been found in SourceCodester Class and Exam Timetabling System 1.0. The impacted element is the function mysqli_query of the file /admin/modal_add_course1.php. This manipulation of the argument course causes sql injection. The attack may be initiated remotely. The exploit has been published and may be used.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-09-06
Last Modified
2026-09-06
Generated
2026-09-07
AI Q&A
2026-09-06
EPSS Evaluated
N/A
NVD
CVE-2026-86221
EUVD
EUVD-2026-72170

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
sourcecodester class_and_exam_timetabling_system 1.0

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-89 The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.
CWE-74 The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is a SQL injection flaw in SourceCodester Class and Exam Timetabling System 1.0. It exists in the mysqli_query function of the file /admin/modal_add_course1.php. An attacker can manipulate the course argument to inject malicious SQL code, allowing remote execution of database commands.

Detection Guidance

To detect SQL injection vulnerabilities like this, inspect web application logs for unusual queries or errors in /admin/modal_add_course1.php. Use tools like SQLmap to test for SQLi by sending crafted inputs to the course parameter. Check for database errors or unexpected behavior when submitting forms.

Impact Analysis

This vulnerability allows remote attackers to execute arbitrary SQL commands on the database. This could lead to unauthorized data access, modification, or deletion. Attackers might steal sensitive information like user credentials, exam results, or class schedules.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR and HIPAA due to unauthorized data access or exposure. GDPR requires protection of personal data, while HIPAA mandates safeguards for health-related information. A breach could result in legal penalties and reputational damage.

Mitigation Strategies

Immediately patch or update the SourceCodester Class and Exam Timetabling System to the latest version. If no patch exists, disable the vulnerable file /admin/modal_add_course1.php. Implement input validation and use prepared statements for all database queries to prevent SQL injection.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-86221. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart