Joomla Extension - jdownloads.com - RCE through file upload in jDownloads < 4.1.8 - Insufficient validation of frontend thumbnail uploads allowed users with upload permission to place executable files on the server. This results in PHP code execution.

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Fixes

Solution

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Workaround

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References
History

Thu, 12 Nov 2026 18:15:00 +0000

Type Values Removed Values Added
Description Joomla Extension - jdownloads.com - RCE through file upload in jDownloads < 4.1.8 - Insufficient validation of frontend thumbnail uploads allowed users with upload permission to place executable files on the server. This results in PHP code execution.
Title Joomla Extension - jdownloads.com - RCE through file upload in jDownloads < 4.1.8
Weaknesses CWE-434
References
Metrics cvssV4_0

{'score': 10, 'vector': '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/E:A/AU:Y'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: Joomla

Published:

Updated: 2026-11-12T21:39:09.307Z

Reserved: 2026-10-27T11:12:25.699Z

Link: CVE-2026-117551

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-12T18:17:15.813

Modified: 2026-11-12T22:18:33.260

Link: CVE-2026-117551

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses