CVE-2026-67361 File upload in J2Store extension for Joomla
Unauthenticated attackers can upload malicious files to J2Store due to missing CSRF protection and directory safeguards, potentially leading to remote code execution.
- 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-2026-67361?
CVE-2026-67361 is a medium-severity 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 - Unauthenticated file upload with missing directory protection in J2Store 1.0.0-3.3.20, 4.0.0-4.0.20, 4.1.0-4.1.5 - The file upload endpoint accepted POST requests from unauthenticated visitors with no CSRF token. Compounding this, the installer manifest omitted the upload and invoices directories, causing fresh installs to deploy those directories without .htaccess/web.config protection, making uploaded files directly web-accessible.
Which versions are affected by CVE-2026-67361?
How do I fix CVE-2026-67361?
No fix has been published for CVE-2026-67361 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-67361 being exploited?
There is no known exploitation of CVE-2026-67361 in the wild and no public exploit code.
Sources
Also known as GHSA-2vmq-jqv2-9gfv.