CVE-2026-117551 - Vulnerability Details - OpenCVE

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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.jdownloads.com/

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		https://www.jdownloads.com/
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'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Joomla

Published: 2026-11-12T17:58:35.141Z

Updated: 2026-11-12T17:58:35.141Z

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

Link: CVE-2026-117551

Vulnrichment

No data.

NVD

Status : Received

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

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

Link: CVE-2026-117551

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-434

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