Improper Authorization Vulnerability in SourceCodester Class and Exam Timetabling System
CVE-2026-78115

5.3MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Class And Exam Timetabling System
Vendor
CVE Published:
23 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-78115?

A security issue has been identified in the SourceCodester Class and Exam Timetabling System version 1.0, specifically within the User Account Update functionality located in /admin/edit_user_account.php. This vulnerability allows attackers to manipulate the 'id' or 'username' parameters, leading to improper authorization. As a result, unauthorized users may gain access to sensitive operations that should be restricted. It is crucial for organizations using this system to assess their exposure and apply necessary security measures, as the exploit is publicly available and may be leveraged for unauthorized activities.

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-2026-78115 - Proof of Concept

References

https://vuldb.com/vuln/394515
vdb-entrytechnical-description
https://vuldb.com/vuln/394515/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-78115
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
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

Greejith (VulDB User)
.