CVE-2026-67360 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
Authenticated users can view other customers' cart contents and address data by manipulating order IDs due to missing ownership checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-67360?
CVE-2026-67360 is a medium-severity missing authorization vulnerability in j2commerce.com J2Store extension for Joomla, published on 21 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-639
Which versions are affected by CVE-2026-67360?
How do I fix CVE-2026-67360?
No fix has been published for CVE-2026-67360 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-67360 being exploited?
There is no known exploitation of CVE-2026-67360 in the wild and no public exploit code.
Sources
Also known as GHSA-j3q5-h4vg-3pfp.