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CVE-2026-61900— Joomla Extension - dj-extensions.com - Unauthenticated arbitrary file upload in DJ-jDownloads < 4.1.6

Quick assessment

Affected
dj-extensions.com jDownloads 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! jDownloads是Joomla!组织开源的一款为Joomla提供下载功能扩展的组件。 Joomla jDownloads 4.1.0至4.1.5版本存在任意文件上传漏洞，该漏洞源于未经身份验证的文件上传，可能导致远程代码执行。

CVSS 10.0 · Critical EPSS 0.45% · P37

Affected Version Matrix 1

VendorProduct Version RangeStatus
dj-extensions.com jDownloads extension for Joomla 4.1.0-4.1.5 affected
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I. Basic Information for CVE-2026-61900

Vulnerability Information
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Vulnerability Title
Joomla Extension - dj-extensions.com - Unauthenticated arbitrary file upload in DJ-jDownloads < 4.1.6
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - dj-extensions.com - Unauthenticated arbitrary file upload in DJ-jDownloads < 4.1.6 - The Joomla extension JDownloads is vulnerable to an unauthenticated file upload, leading to full RCE.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
Joomla jDownloads 任意文件上传漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Joomla! jDownloads是Joomla!组织开源的一款为Joomla提供下载功能扩展的组件。 Joomla jDownloads 4.1.0至4.1.5版本存在任意文件上传漏洞，该漏洞源于未经身份验证的文件上传，可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
dj-extensions.com jDownloads extension for Joomla 4.1.0-4.1.5 -

II. Public POCs for CVE-2026-61900

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III. Intelligence Information for CVE-2026-61900

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Security Blog Posts for CVE-2026-61900 (1)

Vendor Pages for CVE-2026-61900 (1)

IV. Related Vulnerabilities

Same vendor: dj-extensions.com
Same weakness: CWE-434

V. Comments for CVE-2026-61900

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