Cross Site Scripting Vulnerability in SourceCodester Class and Exam Timetabling System
CVE-2026-15596

5.3MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Class And Exam Timetabling System
Vendor
CVE Published:
13 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-15596?

A cross site scripting vulnerability exists in SourceCodester's Class and Exam Timetabling System 1.0, specifically within an unprotected function located in the /subject.php file. Manipulating the 'subject' argument can allow attackers to execute scripts in the user's browser if they visit a crafted page. This vulnerability can be exploited remotely, with public exploit code available, making it essential for users to secure their applications against potential threats.

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-2026-15596 - Proof of Concept

References

https://vuldb.com/vuln/378111
vdb-entrytechnical-description
https://vuldb.com/vuln/378111/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15596
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

AlbaDove (VulDB User)
.