CVE-2026-18592 osCommerce Email Template Configuration EmailController.php EmailController sql injection
Remote attackers can exploit SQL injection in osCommerce Email Template Configuration to read or modify database contents.
- 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-2026-18592?
CVE-2026-18592 is a medium-severity SQL injection vulnerability in osCommerce, published on 3 Aug 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 4.14.63493. Affected by this issue is the function EmailController of the file app/lib/backend/controllers/EmailController.php of the component Email Template Configuration. Performing a manipulation of the argument email_templates_key results in sql injection. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-18592?
How do I fix CVE-2026-18592?
No fix has been published for CVE-2026-18592 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-18592 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-18592 exists.
Sources
Also known as GHSA-fc65-w3rc-9v2m.