CVE-2026-18592 | osCommerce 4.14.63493 Email Template Configuration EmailController.php EmailController email_templates_key sql injection

A vulnerability classified as critical has been found 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.

This vulnerability is cataloged as CVE-2026-18592. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

The vendor was contacted early about this disclosure but did not respond in any way.