---
id: CVE-2026-108973
title: A vulnerability was determined in SourceCodester Contact Tracing System 1.0
summary: >-
  A vulnerability was determined in SourceCodester Contact Tracing System 1.0.
  Affected by this issue is the function move_uploaded_file of the file
  /classes/Users.php?f=save. This manipulation of the argument img/id causes
  unrestricted up…
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-284
  - CWE-434
published: '2026-10-13'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T14:17:24.977'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-108973'
references:
  - url: 'https://tracexlabs.com/releases/contact-tracing-preauth-rce.html'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-108973'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/1000527'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/416792'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/416792/cti'
    label: cna@vuldb.com
  - url: 'https://www.sourcecodester.com/'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00288
epssPercentile: 0.198
ingestedAt: '2026-10-13T07:17:52.320Z'
---

## Overview

A vulnerability was determined in SourceCodester Contact Tracing System 1.0. Affected by this issue is the function move_uploaded_file of the file /classes/Users.php?f=save. This manipulation of the argument img/id causes unrestricted upload. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.

## Remediation

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