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CVE-2026-67361— 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

Quick assessment

Affected
j2commerce.com J2Store extension for Joomla
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Joomla 扩展 - j2commerce.com - J2Store 1.0.0-3.3.20、4.0.0-4.0.20、4.1.0-4.1.5 中存在未经身份验证的文件上传漏洞，且目标目录缺少必要的保护机制。该文件上传接口接受来自未认证用户的 POST 请求，且未实施 CSRF（跨站请求伪造）令牌验证。此外，安装清单（installer manifest）未包含对 upload 和 invoices 目录的保护配置，导致全新安装时这些目录部署后缺少 .htaccess 或 web.config 文件保护，从而

CVSS 6.9 · Medium EPSS 0.17% · P6

Affected Version Matrix 3

VendorProduct Version RangeStatus
j2commerce.com J2Store extension for Joomla 1.0.0-3.3.20 affected
4.0.0-4.0.20 affected
4.1.0-4.1.5 affected
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I. Basic Information for CVE-2026-67361

Vulnerability Information
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Vulnerability Title
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
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:A/R:A
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
j2commerce.com J2Store extension for Joomla 1.0.0-3.3.20 -

II. Public POCs for CVE-2026-67361

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III. Intelligence Information for CVE-2026-67361

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Vendor Pages for CVE-2026-67361 (1)

Same Patch Batch · j2commerce.com · 2026-08-21 · 6 CVEs total

CVE-2026-67359 8.7 HIGH Joomla Extension - j2commerce.com - Order content disclosure J2Store 1.0.0-3.3.20, 4.0.0-4
CVE-2026-74252 8.6 HIGH Joomla Extension - j2commerce.com - Stored XSS in Guest checkout in J2Store 1.0.0-3.3.20,
CVE-2026-67360 6.3 MEDIUM Joomla Extension - j2commerce.com - Cross-customer order replication in J2Store 1.0.0-3.3.
CVE-2026-67358 5.3 MEDIUM Joomla Extension - j2commerce.com - Download quota manipulation in J2Store 1.0.0-3.3.20, 4
CVE-2026-67362 5.1 MEDIUM Joomla Extension - j2commerce.com - Open redirect in cart controller in J2Store 1.0.0-3.3.

IV. Related Vulnerabilities

Same product: J2Store extension for Joomla
Same vendor: j2commerce.com
Same weakness: CWE-352

V. Comments for CVE-2026-67361

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