CVE-2026-86223
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 vulnerability was found in SourceCodester Class and Exam Timetabling System 1.0. This impacts the function mysqli_query of the file /admin/modal_add_coursea.php. Performing a manipulation of the argument course results in sql injection. Remote exploitation of the attack is possible. The exploit has been made public and could be used.

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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-2026-86223
EUVD
EUVD-2026-72172

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE
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KEV
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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

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Executive Summary

This vulnerability is a SQL injection flaw in the Class and Exam Timetabling System 1.0. It exists in the mysqli_query function of the file /admin/modal_add_coursea.php. An attacker can manipulate the course argument to inject malicious SQL code, allowing unauthorized database access or manipulation.

Detection Guidance

Detecting SQL injection vulnerabilities like CVE-2026-86223 typically involves monitoring for unusual database queries or input patterns. Check web server logs for suspicious requests to /admin/modal_add_coursea.php with course parameter values containing SQL syntax like ' OR 1=1 --. Use tools like SQLMap to test for injection points by sending crafted inputs.

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. Sensitive information like user credentials or exam data may be exposed or altered.

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 is available, disable the vulnerable file /admin/modal_add_coursea.php or restrict access to it. Review and sanitize all user inputs to prevent SQL injection by using prepared statements and input validation.

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