---
id: CVE-2026-105226
title: A security flaw has been discovered in osCommerce osCommerce2 up to 2.3.4.1
summary: >-
  A security flaw has been discovered in osCommerce osCommerce2 up to 2.3.4.1.
  This vulnerability affects the function include of the file
  admin/newsletters.php of the component Newsletter Management. Performing a
  manipulation of the argum…
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-94
vendor: osCommerce
product: osCommerce2
affected:
  - osCommerce2 2.3.4.0
  - osCommerce2 2.3.4.1
published: '2026-10-05'
updated: '2026-10-05'
sourceUpdated: '2026-10-05T05:17:03.087'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-105226'
references:
  - url: 'https://github.com/osCommerce/oscommerce2/'
    label: cna@vuldb.com
  - url: 'https://github.com/osCommerce/oscommerce2/issues/676'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-105226'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/971047'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/413428'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/413428/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-05T05:13:06.579Z'
---

## Overview

A security flaw has been discovered in osCommerce osCommerce2 up to 2.3.4.1. This vulnerability affects the function include of the file admin/newsletters.php of the component Newsletter Management. Performing a manipulation of the argument module results in code injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. 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.
