SQL Injection Vulnerability in SourceCodester Class and Exam Timetabling System
CVE-2026-13566

6.9MEDIUM

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-13566?

A vulnerability in the SourceCodester Class and Exam Timetabling System version 1.0 permits SQL injection through the /preview3.php file. The issue arises when the argument 'course_year_section' is manipulated by attackers, allowing the potential for unauthorized database access. This exploit can be initiated remotely, posing significant risks to the confidentiality and integrity of the affected system.

Affected Version(s)

Class and Exam Timetabling System 1.0

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-2026-13566 - Proof of Concept

References

https://vuldb.com/vuln/374574
vdb-entrytechnical-description
https://vuldb.com/vuln/374574/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-13566
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

Tomato0o (VulDB User)
.