---
id: CVE-2026-86220
title: >-
  A vulnerability was detected in SourceCodester Class and Exam Timetabling
  System 1.0
summary: >-
  A vulnerability was detected in SourceCodester Class and Exam Timetabling
  System 1.0. The affected element is the function mysqli_query of the file
  /admin/modal_add_course.php. The manipulation of the argument course results
  in sql injec…
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: '2026-09-08T18:21:16.460'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-86220'
references:
  - url: 'https://github.com/justconter/_CVE/issues/1'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-86220'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/897734'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/399373'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/399373/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: '2026-09-08T17:41:11.752016Z'
epss: 0.00431
epssPercentile: 0.34586
ingestedAt: '2026-09-07T12:10:14.112Z'
---

## Overview

A vulnerability was detected in SourceCodester Class and Exam Timetabling System 1.0. The affected element is the function mysqli_query of the file /admin/modal_add_course.php. The manipulation of the argument course results in sql injection. The attack can be launched remotely. The exploit is now public and may be used.

## Remediation

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