---
id: CVE-2026-13526
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.
  Impacted is an unknown function of the file /edit_class.php. This manipulation
  of the argument ID causes sql injection. The attack may be initiated remotely.
  …
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
published: '2026-06-29'
updated: '2026-06-29'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-13526'
references:
  - url: 'https://github.com/yuanyuandechen/vul/issues/2'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-13526'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/840550'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/374534'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/374534/cti'
    label: cna@vuldb.com
  - url: 'https://www.sourcecodester.com/'
    label: cna@vuldb.com
tags:
  - nvd
ingestedAt: '2026-06-29T13:42:12.337Z'
epss: 0.00431
epssPercentile: 0.34664
---

## Overview

A flaw has been found in SourceCodester Class and Exam Timetabling System 1.0. Impacted is an unknown function of the file /edit_class.php. This manipulation of the argument ID 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.