CVE-2025-63017 HIGH

CVE-2025-63017: WordPress WerkStatt plugin plugin <= 1.6.6 - Local File Inclusion vulnerability

Vendor Fuelthemes
Product WerkStatt Plugin
Weakness CWE-98 · PHP file inclusion
Published January 22, 2026
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 fuelthemes WerkStatt Plugin werkstatt-plugin allows PHP Local File Inclusion.This issue affects WerkStatt Plugin: from n/a through <= 1.6.6.

Explanation of Vulnerability in Simple Terms

02Summary

The WerkStatt Plugin for WordPress contains a code injection vulnerability affecting versions up to 1.6.6. An authenticated attacker with low privileges can inject and execute arbitrary code on the site, potentially compromising the entire WordPress installation. The vulnerability requires high attack complexity but grants full control over site data and functionality once exploited.

What an attacker can do

03Attacker Capabilities

Run arbitrary code on the site and access or modify all data.

Potential impact on your site

04Site Impact

Complete site compromise possible; attacker can steal data, modify content, or take control of the WordPress installation.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

January 22, 2026 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE