CVE-2025-4370 MEDIUM

CVE-2025-4370: Brizy <= 2.6.20 - Missing Authorization to Unauthenticated Limited File Upload

Vendor Themefusecom
Product Brizy – Page Builder
Weakness CWE-862 · Missing authorization
Published July 29, 2025
Last update April 8, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The Brizy – Page Builder plugin for WordPress is vulnerable to limited file uploads due to missing authorization on process_external_asset_urls function as well as missing path validation in store_file function in all versions up to, and including, 2.6.20. This makes it possible for unauthenticated attackers to upload .TXT files on the affected site's server.

Explanation of Vulnerability in Simple Terms

02Summary

Brizy Page Builder versions up to 2.6.20 lack proper authorization checks, allowing unauthenticated attackers to modify site content. The vulnerability requires no user interaction and can be exploited over the network. Site administrators should update to a version newer than 2.6.20 to prevent unauthorized changes to pages and posts.

What an attacker can do

03Attacker Capabilities

Modify or alter page and post content without authentication.

Potential impact on your site

04Site Impact

Attackers can deface or alter published pages and posts without logging in.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

July 29, 2025 CVE published
April 8, 2026 Record updated