CVE-2026-102427

Critical

Description

Joomla Extension - ordasoft.com - Unauthenticated Remote Code Execution in OrdaSoft Joomla CCK < 8.3.16 - site/uploader.php is reached through the component’s normal frontend routing (task=getContent), a task with no authentication or ACL check anywhere in the dispatch chain. The handler validates the uploaded file’s content with a real magic-byte MIME check, but the extension allow-list that would otherwise restrict the saved file’s extension was present in the source and commented out. The saved file’s extension was taken directly from the attacker-supplied filename with no validation, and the file was written to a path directly under the Joomla web root that is executed by the PHP handler. An image/PHP polyglot, a file whose header bytes satisfy the MIME check with PHP source appended after, passed the content check while carrying a .php extension of the attacker’s choosing.

SeverityCritical
CVSS10.0
Exploit probability—
ProductOrdasoft Joomla Cck
PublishedSep 30, 2026
First seenSep 30, 2026

How to fix

Update
  • ordasoft joomla_cck8.3.16 or later

Affected products

ProductAffected versionsFixed in
ordasoft joomla_cck1.0.0 ≤ v < 8.3.168.3.16

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