CVE-2026-117551
jdownloads.com jDownloads extension for Joomla
Published 12 Nov 2026 · updated 12 Nov 2026 · Awaiting Analysis
10.0 Critical · CVSS 4.0, joomla.org
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.