joomlack Page Builder CK Extension up to 3.6.4 Frontend Page Model loadStyles sql injection

Summaryinfo

A vulnerability classified as critical has been found in joomlack Page Builder CK Extension up to 3.6.4. Affected by this vulnerability is the function loadStyles of the component Frontend Page Model. This manipulation causes sql injection. This vulnerability appears as CVE-2026-77994. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in joomlack Page Builder CK Extension up to 3.6.4. It has been declared as critical. Affected by this vulnerability is the function loadStyles of the component Frontend Page Model. The manipulation with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Joomla Extension - joomlack.fr - Second order SQL injection in Page Builder CK < 3.6.5 - The Joomla extension Page Builder CK is vulnerable to a SQL injection issue related to the loadStyles method of the frontend page model.

This vulnerability is known as CVE-2026-77994 since 08/21/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/24/2026). The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-64750). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• joomlack

Name

• Page Builder CK Extension

Version

• 3.6.0
• 3.6.1
• 3.6.2
• 3.6.3
• 3.6.4

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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