---
id: CVE-2026-86221
title: A flaw has been found in SourceCodester Class and Exam Timetabling System 1.0
summary: >-
  A flaw has been found in SourceCodester Class and Exam Timetabling System 1.0.
  The impacted element is the function mysqli_query of the file
  /admin/modal_add_course1.php. This manipulation of the argument course causes
  sql injection. The…
severity: high
cvss: 7.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-74
  - CWE-89
vendor: SourceCodester
product: Class and Exam Timetabling System
affected:
  - class_and_exam_timetabling_system 1.0
published: '2026-09-06'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T17:18:39.327'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86221'
references:
  - url: 'https://github.com/justconter/_CVE/issues/2'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-86221'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/897747'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/399374'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/399374/cti'
    label: cna@vuldb.com
  - url: 'https://www.sourcecodester.com/'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-08T16:49:28.370720Z'
epss: 0.00263
epssPercentile: 0.18471
ingestedAt: '2026-09-07T12:10:14.158Z'
---

## Overview

A flaw has been found in SourceCodester Class and Exam Timetabling System 1.0. The impacted element is the function mysqli_query of the file /admin/modal_add_course1.php. This manipulation of the argument course causes sql injection. The attack may be initiated remotely. The exploit has been published and may be used.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.