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