CVE-2026-66657 HIGH

CVE-2026-66657: WordPress Biagiotti Core plugin <= 2.1.1 - Local File Inclusion vulnerability

Vendor Mikado-Themes
Product Biagiotti Core
Weakness CWE-98 · PHP file inclusion
Published August 13, 2026
Last update August 13, 2026
View on NVD All CVEs

CVSS base score

8.1/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Unauthenticated Local File Inclusion in Biagiotti Core <= 2.1.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Biagiotti Core contains a PHP remote file inclusion vulnerability that allows an attacker to include and execute arbitrary PHP files from remote servers. The vulnerability requires specific conditions to exploit but can result in complete site compromise, including data theft, malware injection, and service disruption. Site administrators should update to a patched version immediately.

What an attacker can do

03Attacker Capabilities

Include and execute arbitrary PHP code from a remote server, gaining full control of the site.

Potential impact on your site

04Site Impact

Complete site compromise possible: data theft, malware installation, defacement, or total service loss.

Conditions required to exploit

05Prerequisites

Network access; specific attack conditions must be met (high complexity); no authentication required.

Key dates

06Disclosure timeline

August 13, 2026 CVE published