SQL Injection Vulnerability in SourceCodester Class and Exam Timetabling System
CVE-2026-16227

6.9MEDIUM

Key Information:

Vendor

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

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16227?

A security flaw has been identified in version 1.0 of the SourceCodester Class and Exam Timetabling System. This vulnerability resides within an unspecified function of the /edit_subject.php file, where it is possible for an attacker to manipulate the ID argument. This manipulation can lead to unauthorized SQL queries being executed, which may compromise the security of the database. The nature of this flaw allows for exploitation from a remote location, raising significant concerns about its potential impact. The details of this vulnerability have been publicly disclosed, making it imperative for users to address the issue promptly.

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-2026-16227 - Proof of Concept

References

https://vuldb.com/vuln/380049
vdb-entrytechnical-description
https://vuldb.com/vuln/380049/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-16227
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

HackOne (VulDB User)
.