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Ilevia EVE X1 Server 4.7.18.0.eden Unauthenticated Reflected XSS

High
Advisory ID
ZSL-2025-5961
Release Date
16 October 2025
Vendor
Affected Version
<= 4.7.18.0.eden (Logic ver: 6.00)
Tested On
GNU/Linux 5.4.35 (armv7l), GNU/Linux 4.19.97 (armv7l), Armbian 20.02.1 Buster, Apache/2.4.38 (Debian), PHP Version 7.3.31
Summary

EVE is a smart home and building automation solution designed for both residential and commercial environments, including malls, hotels, restaurants, bars, gyms, spas, boardrooms, and offices. It enables comprehensive control and monitoring of electrical installations through a highly customizable, user-friendly interface.

EVE is a multi-protocol platform that integrates various systems within a smart building to enhance comfort, security, safety, and energy efficiency. Users can manage building functions via iPhone, iPad, Android devices, Windows PCs, or Mac computers.

The EVE X1 Server is the dedicated hardware solution for advanced building automation needs. Compact and powerful, it is ideal for apartments, small to medium-sized homes, and smaller commercial installations. It is designed to manage entire automation systems reliably and efficiently.

Description

Input passed to the GET parameter 'error' is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML/JS code in a user's browser session in context of an affected site.

Proof of Concept
Disclosure Timeline
01.05.2024Vulnerability discovered.
06.05.2024Vendor contacted.
06.05.2024Vendor responds asking more details.
06.05.2024Sent high-level details to the vendor, asked for PGP key.
06.05.2024Vendor provides public key and asks for a reason of the contact.
06.05.2024Replied to the vendor.
07.05.2024Vendor expresses gratitude, maybe discuss a service in the future.
16.05.2025Asked vendor for status update.
18.05.2025No response from the vendor.
19.05.2025Asked vendor for status update.
15.10.2025No response from the vendor.
16.10.2025Public security advisory released.
Credits
Vulnerability discovered by Gjoko Krstic
References
Changelog
16.10.2025Initial release
18.10.2025Added reference [2] and [3]