CVE-2026-117551

CriticalCVSS 10.0/10Last modified Nov 12, 2026

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.

Metrics

CVSS 4.0 10.0/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-434

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

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

References

https://www.jdownloads.com/

Timeline

Published: Nov 12, 2026
Last modified: Nov 12, 2026
NVD status: Awaiting Analysis

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