CVE-2026-105226 osCommerce osCommerce2 Newsletter Management newsletters.php include code injection
Remote attackers can inject arbitrary code via the module argument in the Newsletter Management component of osCommerce2.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-105226?
CVE-2026-105226 is a medium-severity code injection vulnerability in osCommerce2, published on 5 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-105226?
How do I fix CVE-2026-105226?
No fix has been published for CVE-2026-105226 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-105226 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-105226 exists.
Sources
Also known as GHSA-pwh4-88m7-gc6w.