---
id: CVE-2025-12256
title: >-
  A weakness has been identified in code-projects Online Event Judging System
  1.0
summary: >-
  A weakness has been identified in code-projects Online Event Judging System
  1.0. This vulnerability affects unknown code of the file /edit_contestant.php.
  Executing manipulation of the argument contestant_id can lead to sql
  injection. Th…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-74
  - CWE-89
vendor: carmelo
product: online_event_judging_system
affected:
  - online_event_judging_system = 1.0
published: '2025-10-27'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T23:10:00.237'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-12256'
references:
  - url: 'https://code-projects.org/'
    label: cna@vuldb.com
  - url: 'https://github.com/zzonce/cve/issues/2'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.329927'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.329927'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.674009'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00439
epssPercentile: 0.35823
ingestedAt: '2026-09-30T23:29:32.453Z'
---

## Overview

A weakness has been identified in code-projects Online Event Judging System 1.0. This vulnerability affects unknown code of the file /edit_contestant.php. Executing manipulation of the argument contestant_id can lead to sql injection. The attack can be executed remotely. The exploit has been made available to the public and could be exploited.

## Affected

- `online_event_judging_system = 1.0`

## Remediation

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