CVE-2026-63048
Joomla Extension - joomlack.fr - Improper access control in Page Builder CK < 3.6.2
Description
The Joomla extension Page Builder CK is vulnerable to an authenticated arbitrary file upload, leading to RCE.
INFO
Published Date :
July 22, 2026, 8:16 a.m.
Last Modified :
July 22, 2026, 8:16 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-63048
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | CRITICAL | 6ff30186-7fb7-4ad9-be33-533e7b05e586 | ||||
| CVSS 4.0 | CRITICAL | [email protected] |
Solution
- Update the Page Builder CK extension immediately.
- Remove any unauthorized uploaded files.
- Review file upload configurations.
- Disable unnecessary upload features.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-63048.
| URL | Resource |
|---|---|
| https://www.joomlack.fr/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-63048 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-63048
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-63048 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-63048 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Jul. 22, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'joomlack.fr', 'product': 'Page Builder CK extension for Joomla', 'versions': [{'status': 'affected', 'version': '1.0.0-3.6.2'}], 'defaultStatus': 'unaffected'}] Added Description The Joomla extension Page Builder CK is vulnerable to an authenticated arbitrary file upload, leading to RCE. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/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:X/R:X/V:X/RE:X/U:X Added CWE CWE-434 Added Reference https://www.joomlack.fr/