CVE-2026-67360: j2commerce.com j2store Extension For Joomla

Medium severity, CVSS 6.3. EPSS: 0.4% chance of exploitation in the next 30 days.

Joomla Extension - j2commerce.com - Cross-customer order replication in J2Store 1.0.0-3.3.20, 4.0.0-4.0.20, 4.1.0-4.1.5 - An authenticated user could supply another customer's order_id to copy their cart contents and address data into the attacker's session. The CSRF token was validated but ownership was not checked.

Affected products

• j2commerce.com j2store Extension For Joomla: version 1.0.0-3.3.20 only; version 4.0.0-4.0.20 only; version 4.1.0-4.1.5 only

Published 2026-08-21. Last modified 2026-08-26.