What the vulnerability does
01Description
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Select-Themes Stockholm Core stockholm-core allows PHP Local File Inclusion.This issue affects Stockholm Core: from n/a through <= 2.4.6.
Explanation of Vulnerability in Simple Terms
02Summary
Stockholm Core versions up to 2.4.6 contain a remote code execution vulnerability affecting authenticated users with low privileges. An attacker with valid login credentials can exploit a flaw to execute arbitrary code on the site. The vulnerability requires network access and specific conditions to trigger, but grants full control over site data and functionality once exploited.
What an attacker can do
03Attacker Capabilities
Execute arbitrary code on the site, read/modify all data, and take full control of the installation.
Potential impact on your site
04Site Impact
Any authenticated user account can be leveraged to compromise the entire site, including database access and file system control.
Conditions required to exploit
05Prerequisites
Attacker must have a valid user account with low-level privileges and network access to the site.
Key dates
06Disclosure timeline
December 16, 2025
CVE published
April 28, 2026
Record updated