CVE-2026-86298
Received Received - Intake

SQL Injection in Class and Exam Timetabling System

Publication date: 2026-09-07

Last updated on: 2026-09-07

Assigner: VulDB

Description
A security flaw has been discovered in SourceCodester Class and Exam Timetabling System 1.0. Impacted is an unknown function of the file /delete_subject.php. Performing a manipulation of the argument ID results in sql injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks.

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Meta Information

Published
2026-09-07
Last Modified
2026-09-07
Generated
2026-09-07
AI Q&A
2026-09-07
EPSS Evaluated
N/A
NVD
CVE-2026-86298
EUVD
EUVD-2026-72347

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 SourceCodester Class and Exam Timetabling System 1.0. It exists in the /delete_subject.php file where the 'ID' argument is improperly validated. Attackers can manipulate this input to inject malicious SQL queries, potentially accessing or altering database contents without authentication.

Detection Guidance
  • Check web server access logs for suspicious requests to /delete_subject.php with unusual parameters.
  • Use SQL injection detection tools like SQLmap to test the parameter ID for vulnerabilities: sqlmap -u "http://target/delete_subject.php?id=1" --batch.
  • Monitor database logs for unexpected queries or errors indicating SQL injection attempts.
Impact Analysis

This vulnerability allows remote attackers to execute unauthorized SQL commands. Potential impacts include unauthorized database access, data tampering, sensitive data leakage, system control takeover, and service disruption through various SQL injection techniques like boolean-based blind or UNION query attacks.

Compliance Impact

This SQL injection vulnerability could lead to unauthorized database access and sensitive data leakage, which directly violates GDPR's data protection requirements and HIPAA's safeguards for protected health information. Unauthorized access to personal or sensitive data may result in non-compliance with these regulations.

Mitigation Strategies
  • Apply input validation to sanitize the ID parameter in /delete_subject.php to prevent malicious SQL queries.
  • Implement prepared statements or parameterized queries for all database interactions.
  • Restrict database user permissions to minimize potential damage from SQL injection.
  • Conduct a security audit to identify and fix similar vulnerabilities in other parts of the system.

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