Medium · CVSS 5.1CVE-2026-105226

osCommerce osCommerce2 Newsletter Management newsletters.php include code injectionCVE-2026-105226

Answer in brief

CVE-2026-105226 records a Medium severity (CVSS 5.1) vulnerability in osCommerce osCommerce2 Newsletter Management newsletters.php include code injection. The current sources do not mark it as known exploited. The current feed maps osCommerce/osCommerce2 (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 5, 2026Updated Oct 5, 2026Source checked Oct 5, 2026First seen by HOL Oct 5, 2026Material review Oct 5, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.1
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 5.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps osCommerce/osCommerce2 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
osCommerce/osCommerce2generic	2.3.4.0 \|\| 2.3.4.1	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for osCommerce/osCommerce2.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Oct 5, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 5, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 5, 2026

Sources and claim methodology

Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.