---
id: CVE-2026-103113
title: A vulnerability was determined in OS4ED openSIS-Classic up to 9.3
summary: >-
  A vulnerability was determined in OS4ED openSIS-Classic up to 9.3. The
  affected element is the function save action of the file
  modules/students/Student.php of the component General Information Tab.
  Executing a manipulation of the argume…
severity: medium
cvss: 4.7
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-74
  - CWE-89
vendor: OS4ED
product: openSIS-Classic
affected:
  - openSIS-Classic 9.0
  - openSIS-Classic 9.1
  - openSIS-Classic 9.2
  - openSIS-Classic 9.3
published: '2026-09-30'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T11:16:43.330'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-103113'
references:
  - url: 'https://github.com/OS4ED/openSIS-Classic/'
    label: cna@vuldb.com
  - url: 'https://github.com/OS4ED/openSIS-Classic/issues/475'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-103113'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/954959'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/411869'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/411869/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-09-30T11:02:09.782Z'
---

## Overview

A vulnerability was determined in OS4ED openSIS-Classic up to 9.3. The affected element is the function save action of the file modules/students/Student.php of the component General Information Tab. Executing a manipulation of the argument students can lead to sql injection. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

## Remediation

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