If the hosting environment is poorly isolated, an attacker who gains access to one website via the Nicepage exploit may be able to pivot and compromise other websites or databases hosted on the same shared server. Indicators of Compromise (IoCs)
The first mentions of the exploit appeared in early February 2026 on a Russian-language exploit forum. A threat actor using the handle 0xDr4k0 posted a thread titled: "Nicepage 4.16.0 – Unauthenticated RCE via SVG upload and plugin sync." The post included a proof-of-concept (PoC) Python script claiming to achieve remote code execution (RCE) on WordPress sites using the Nicepage plugin version 4.16.0.
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.
Execute the upgrade pipeline immediately to replace old code pathways. Implement a Web Application Firewall (WAF)
The security landscape of Content Management Systems (CMS) like WordPress and Joomla is plagued by automated bots looking for exposed endpoints. Among the modern web design tools, Nicepage stands out as a prominent drag-and-drop website builder available as an online editor, desktop application, and a plugin for WordPress and Joomla. However, specific older iterations—specifically —have drawn scrutiny from cybersecurity professionals and system administrators due to distinct security bypass risks and data path exposures. nicepage 4.16.0 exploit
Enhanced selection, resizing, and submission warnings. The Security Concerns
Allowed creators to prevent the accidental movement of elements in the workspace.
Prevented accidental movement of design elements during editing.
Stay secure!
As of publication, our telemetry (from Sucuri's SiteCheck, Wordfence, and public Intezer reports) shows :
: Users have historically raised minor security issues with the Nicepage plugin, such as it making sensitive paths like
Use reputable security scanners to continuously monitor your website files for unauthorized changes, known malware signatures, and outdated components. Conclusion
Understanding and Securing Against Potential "Nicepage 4.16.0 Exploit" Risks If the hosting environment is poorly isolated, an
Based on CVSS v3.1:
Nicepage is a popular website builder and content management system (CMS) used by millions of users worldwide. In recent times, a security vulnerability was discovered in version 4.16.0 of Nicepage, which has raised concerns among users and security experts. This chronicle aims to provide a comprehensive overview of the exploit, its implications, and the necessary steps to take.
This rapid proliferation triggered alerts across WordPress security monitoring services, including Wordfence, Sucuri, and WPScan.
For more information on the exploit and mitigation strategies, users can refer to: Before diving into the exploit, it is essential