Authorization bypass in j2commerce.com J2Store extension for Joomla
Priority LOW 28CWE-639Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00406 35th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| j2commerce.com | J2Store extension for Joomla | 1.0.0-3.3.20; 4.0.0-4.0.20; 4.1.0-4.1.5 | — | No fix listed | CNA |
- J2Store extension for Joomla Vendorj2commerce.com Affected 1.0.0-3.3.20; 4.0.0-4.0.20; 4.1.0-4.1.5 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-67360
- 2026-10-03 Alias added: GHSA-j3q5-h4vg-3pfp
References
Other 1
More j2commerce.com vulnerabilities
- TI-2026-56676 Joomla Extension - j2commerce.com - Any order can be marked Failed by anyone in J2Store… CVSS 4.0HIGH 8.7
- TI-2026-56276 Path traversal in j2commerce.com J2Store extension for Joomla CVSS 4.0HIGH 8.7
- TI-2026-56275 SQL injection in j2commerce.com J2Store extension for Joomla CVSS 4.0HIGH 8.7
- TI-2026-54302 Authorization bypass in j2commerce.com J2Store extension for Joomla CVSS 4.0HIGH 8.8
- TI-2026-54274 Joomla Extension - j2commerce.com - Unauthenticated PayPal callback forgery leading to… CVSS 4.0HIGH 8.7
- TI-2026-47655 Authorization bypass in j2commerce.com J2Store extension for Joomla CVSS 4.0HIGH 8.7
Sources
- CVE-2026-67360 · CVE Program
- CVE-2026-67360 · NVD
- FIRST EPSS
- GHSA-j3q5-h4vg-3pfp · GitHub Advisory Database · CC BY 4.0
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