CVE-2026-63048 | The Joomla extension Page Builder CK is vulnerable to an aut… | CVSS 9.4 CRITICAL

Description

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

CVE ID: CVE-2026-63048
State: PUBLISHED
Assigner: Joomla
Reserved: 2026-07-15 08:12 UTC
Published: 2026-07-22 07:15 UTC
Last updated: 2026-07-22 07:15 UTC
Primary CWE: CWE-434
CWE-434 Unrestricted Upload of File with Dangerous Type
Vendor / Product: joomlack.fr / Page Builder CK extension for Joomla
Sources: cve.org · NVD

9.4 CRITICAL CVSS 4.0

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

Affected products (1)

Vendor	Product	Platform	Versions
joomlack.fr	Page Builder CK extension for Joomla	—	1.0.0-3.6.2

Weakness (CWE)

CWE	Source	Description
CWE-434	cna	CWE-434 Unrestricted Upload of File with Dangerous Type

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.4	CRITICAL	4.0	cna	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

References (1)