jdownloads.com
Not on CISA's list of exploited flaws, and not in the news we track.
CVE-2026-117551Critical10.0
Black Shard's team can check your exposure to CVE-2026-117551 and take the fix off your plate.
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.
Black Shard's team can check your exposure, take a fix off your plate or step in on a live incident.
Severity
10.0of 10, critical
Updated 13 Nov 2026, 12:03 UTC, 31 of 36 sources answering.
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