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2.0

osCommerce2 allows remote code injection via newsletters

CVE-2026-105226 · published 14 days ago
Summary

The admin newsletters page in osCommerce2 (up to version 2.3.4.1) can be tricked into running malicious code when a specially crafted request is sent. This can let an attacker take control of the server from anywhere on the internet. Apply the vendor’s patch or update to a fixed version as soon as possible.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
oscommerce oscommerce2 2.3.4.0
Original advisory text
osCommerce osCommerce2 Newsletter Management newsletters.php include code injection
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.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
2.0 Low
Exploitation
<1% chance of attack within 30 days
Type
CWE-74Injection
CWE-94Code Injection
Timeline
Published5 Oct 2026
Updated15 Oct 2026
First seen5 Oct 2026
Sources
CVE-2026-105226 · NVD
CVE-2026-105226 · MITRE
CVE-2026-105226 · OSV
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