Cross-Site Scripting Vulnerability in SourceCodester Class and Exam Timetabling System
CVE-2026-15715

5.3MEDIUM

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-15715?

A cross-site scripting vulnerability exists in the SourceCodester Class and Exam Timetabling System 1.0, specifically within the /exam.php file. By exploiting improper handling of the 'day' argument, attackers can perform remote code execution, leading to unauthorized access to sensitive user data. The exploit is publicly available, heightening the urgency for users to secure their implementations. This vulnerability poses a significant risk, underscoring the importance of timely security updates and protections against potential web application 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-2026-15715 - Proof of Concept

References

https://vuldb.com/vuln/378291
vdb-entrytechnical-description
https://vuldb.com/vuln/378291/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15715
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)
.