Nicepage 4.16.0 Exploit Jun 2026

Before diving into the exploit, it is essential to understand the software architecture. Nicepage is a desktop website builder available for Windows, Mac, and Linux. It also offers a companion plugin for WordPress and a theme for Joomla. The software works on a "save locally, publish remotely" model. Users design websites locally (creating .nicepage files) and then export them as HTML/CSS or synchronize them with a CMS via an API.

Reports suggest potential exploits targeting older versions of the Nicepage plugin. Common risks include: 🔹 SQL Injection (unauthorized DB access) 🔹 Path exposure (exposing 🔹 Potential RCE vulnerabilities nicepage 4.16.0 exploit

The primary vector is the SVG upload handler. Nicepage 4.16.0 introduced a feature allowing users to upload custom SVG assets through the WordPress media library when the plugin was active. However, the plugin failed to properly validate SVG files for malicious JavaScript or PHP code. Before diving into the exploit, it is essential