CVE-2026-63048

CRITICALCVSS 9.4/10EPSS 0.23%

Last modified

CVE-2026-63048 is a critical-severity vulnerability rated 9.4/10 on the CVSS scale. Joomla Extension - joomlack.fr - Improper access control in Page Builder CK < 3.6.2 - The Joomla extension Page Builder CK is vulnerable to an authenticated arbitrary file upload, leading to RCE.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

Joomla Extension - joomlack.fr - Improper access control in Page Builder CK < 3.6.2 - The Joomla extension Page Builder CK is vulnerable to an authenticated arbitrary file upload, leading to RCE.

Metrics

CVSS 4.0
9.4/10

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/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

EPSS Probability
0.23%

13.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
joomlack.frPage Builder CK extension for Joomla1.0.0-3.6.2

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-63048?
Joomla Extension - joomlack.fr - Improper access control in Page Builder CK < 3.6.2 - The Joomla extension Page Builder CK is vulnerable to an authenticated arbitrary file upload, leading to RCE.
How severe is CVE-2026-63048?
CVE-2026-63048 has a CVSS score of 9.4/10 (CRITICAL severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.
How do I fix CVE-2026-63048?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST