SQL Injection Vulnerability in SourceCodester Class and Exam Timetabling System
CVE-2026-13527

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-2026-13527?

A SQL injection vulnerability exists in the preview4.php file of SourceCodester's Class and Exam Timetabling System version 1.0. This vulnerability arises from improper handling of the 'course_year_section' parameter, allowing attackers to manipulate SQL queries and potentially access sensitive data. The exploit can be executed remotely, posing a significant risk to the system's integrity. Users and administrators are advised to implement protective measures and update to the latest versions as fixes become available.

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-2026-13527 - Proof of Concept

References

https://vuldb.com/vuln/374535
vdb-entrytechnical-description
https://vuldb.com/vuln/374535/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-13527
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

chenxuyuan (VulDB User)
.