CVE-2025-39463 HIGH

CVE-2025-39463: WordPress Dessau theme < 1.9 - Local File Inclusion vulnerability

Vendor Select-Themes
Product Dessau
Weakness CWE-98 · PHP file inclusion
Published November 6, 2025
Last update April 28, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Select-Themes Dessau dessau allows PHP Local File Inclusion.This issue affects Dessau: from n/a through < 1.9.

Explanation of Vulnerability in Simple Terms

02Summary

Dessau versions 1.9 and earlier contain a code injection vulnerability that allows authenticated users with low privileges to execute arbitrary code on the site. The vulnerability requires high attack complexity but grants full read, write, and availability impact. Site administrators should update to a version newer than 1.9 immediately.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the site with full access to read, modify, and delete data.

Potential impact on your site

04Site Impact

A low-privilege user account can compromise the entire site, including database and file system.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege authenticated account; no user interaction required.

Key dates

06Disclosure timeline

November 6, 2025 CVE published
April 28, 2026 Record updated