CVE-2026-63048 PUBLISHED

Joomla Extension - joomlack.fr - Improper access control in Page Builder CK < 3.6.2

Assigner: Joomla
Reserved: 15.07.2026 Published: 22.07.2026 Updated: 22.07.2026

The Joomla extension Page Builder CK is vulnerable to an authenticated arbitrary file upload, leading to RCE.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 9.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	Low
User Interaction	None

CVSS 4.0

Vendor	joomlack.fr
Product	Page Builder CK extension for Joomla
Versions	Default: unaffected Version 1.0.0-3.6.2 is affected