SQL Injection Vulnerability in SourceCodester Class and Exam Timetabling System
CVE-2026-86223

6.9MEDIUM

Key Information:

Vendor

Sourcecodester
Status
Class And Exam Timetabling System
Vendor
CVE Published:
6 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-86223?

A SQL injection vulnerability exists in the SourceCodester Class and Exam Timetabling System version 1.0, specifically impacting the mysqli_query function in the /admin/modal_add_coursea.php file. This vulnerability allows malicious users to manipulate the 'course' argument, which can lead to unauthorized access and manipulation of database queries. Given that this exploit has been made publicly available, remote attackers might exploit this vulnerability to execute arbitrary SQL code, potentially compromising the integrity and confidentiality of the database.

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-2026-86223 - Proof of Concept

References

https://vuldb.com/vuln/399376
vdb-entrytechnical-description
https://vuldb.com/vuln/399376/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-86223
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

justconter (VulDB User)
.