Unauthenticated Blind SQL Injection in J2Store from j2commerce.com
CVE-2026-81567

8.7HIGH

Key Information:

Vendor

J2commerce.com

Status
J2store Extension For Joomla
Vendor
CVE Published:
15 September 2026

What is CVE-2026-81567?

The J2Store extension, used for Joomla, is vulnerable to an unauthenticated blind SQL injection affecting multiple versions. This vulnerability allows attackers to extract arbitrary database content, including sensitive customer records and order information, through boolean or time-based inference techniques. Any public storefront that displays the standard product listing or uses product-tags filters is susceptible, potentially exposing critical data to unauthorized users.

Affected Version(s)

J2Store extension for Joomla 1.0.0-3.3.22

J2Store extension for Joomla 4.0.0-4.0.22

J2Store extension for Joomla 4.1.0-4.1.7

References

https://www.j2commerce.com/
product

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Phil Taylor, mysites.guru
.