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CVE-2026-117544— Joomla Extension - jdownloads.com - IDOR allowing restricted file downloads in jDownloads < 4.1.8

Quick assessment

Affected
jdownloads.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 扩展 - jdownloads.com - jDownloads < 4.1.8 中存在允许下载受限文件的 IDOR（不安全的直接对象引用）漏洞 - 参数可以引用其他下载项的文件，而未完全强制执行目标下载项的访问限制。这导致未授权访问目标下载项的用户也能获取到相关文件。

CVSS 8.2 · High EPSS 0.28% · P20

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
jdownloads.com jDownloads extension for Joomla 1.0.0-4.1.7 affected
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I. Basic Information for CVE-2026-117544

Vulnerability Information
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Vulnerability Title
Joomla Extension - jdownloads.com - IDOR allowing restricted file downloads in jDownloads < 4.1.8
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - jdownloads.com - IDOR allowing restricted file downloads in jDownloads < 4.1.8 - The `other_file_id` parameter could reference another download’s file without fully enforcing the target download’s access restrictions. This allowed files to be delivered to users who were not authorised to access the target download.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
jdownloads.com jDownloads extension for Joomla 1.0.0-4.1.7 -

II. Public POCs for CVE-2026-117544

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-117544

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Vendor Pages for CVE-2026-117544 (1)

Same Patch Batch · jdownloads.com · 2026-11-12 · 5 CVEs total

CVE-2026-117551 10.0 CRITICAL Joomla Extension - jdownloads.com - RCE through file upload in jDownloads < 4.1.8
CVE-2026-117543 8.9 HIGH Joomla Extension - jdownloads.com - SSRF via external download URL field jDownloads < 4.1.
CVE-2026-117550 7.1 HIGH Joomla Extension - jdownloads.com - Publishing of files without approval in jDownloads < 4
CVE-2026-117542 5.1 MEDIUM Joomla Extension - jdownloads.com - Authenticated path traversal in jDownloads < 4.1.8

IV. Related Vulnerabilities

Same product: jDownloads extension for Joomla
Same vendor: jdownloads.com
Same weakness: CWE-200