SQL Injection Vulnerability in SourceCodester Class and Exam Timetabling System
CVE-2026-13486

6.9MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Class And Exam Timetabling System
Vendor
CVE Published:
28 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-13486?

A vulnerability exists in the SourceCodester Class and Exam Timetabling System that allows for SQL injection via the '/preview6.php' file. An attacker can exploit this by manipulating the 'course_year_section' parameter, enabling unauthorized database queries leading to the potential exposure of sensitive information. The exploit can be executed remotely, making it critical for users to implement security measures to safeguard against this risk. Public disclosure of this vulnerability means it is imperative to take immediate action.

Affected Version(s)

Class and Exam Timetabling System 1.0

Class and Exam Timetabling System 6.php

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-13486 - Proof of Concept

References

https://vuldb.com/vuln/374483
vdb-entrytechnical-description
https://vuldb.com/vuln/374483/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-13486
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

llfak (VulDB User)
.