CVE-2026-56290

published 2026-06-29

CVE-2026-56290: The Joomla extension Page Builder CK is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.

Priority P2 62 critical 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 Red

The Joomla extension Page Builder CK is vulnerable to an unauthenticated arbitrary file upload that allows uploading executable files and leads to full RCE.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
joomlack.fr	joomlack.fr_page_builder_ck_extension_for_joomla	—	—

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CWE-284