To secure a site built with Nicepage 4.16.0 or any other version:
Disable PHP execution within upload directories (e.g., /wp-content/uploads/ ) using an .htaccess or Nginx configuration rule: deny from all Use code with caution. Audit Active Sessions and Port Footprints
If you are investigating or writing about security for this specific version, here are the key highlights and known concerns from that period: August 8, 2022. Key Features in 4.16.0:
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. nicepage 4.16.0 exploit
for specific security fixes in later versions, such as improvements to reCAPTCHA or user role access levels. Nicepage.com Security issue in Nicepage plugin.
The following simplified Python snippet demonstrates the unauthenticated SVG upload (truncated for safety):
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. To secure a site built with Nicepage 4
If you are using the , check your current version immediately: Log in to your WordPress Dashboard. Navigate to Plugins > Installed Plugins . Locate Nicepage .
What are you using? (WordPress, Joomla, or standalone HTML) Do you currently have a security plugin installed?
[Attacker Payload] ──> [Unsanitized Input in Nicepage 4.16.0] ──> [Server Executes File] │ ┌────────────────────────────────┴────────────────────────────────┐ ▼ ▼ [Remote Code Execution (RCE)] [Cross-Site Scripting (XSS)] 1. Arbitrary File Upload & Remote Code Execution (RCE) A threat actor using the handle 0xDr4k0 posted
If you are investigating a specific vulnerability, it is recommended to monitor the Nicepage Release Notes for security fixes or check the WordPress Vulnerability Database for plugin-specific alerts. Release Notes - Nicepage Help Center
Because theme builders require deep integration with the core CMS to save pages and upload media, they possess extensive permissions. If an attacker identifies a vulnerability within these high-privilege functions, they can bypass standard authentication checks and execute unauthorized actions. Anatomy of a CMS Extension Exploit
Nicepage is a widely used website builder and Content Management System (CMS) plugin designed to help users create responsive websites with minimal coding knowledge. However, like many web design platforms, its extensive feature set and integration capabilities can introduce security challenges if not properly audited. Version 4.16.0 of the software became the subject of security research after a critical vulnerability was identified, putting thousands of websites at risk of unauthorized manipulation.
If the exploit is used to inject malicious scripts into saved templates or page data, any subsequent visitor to the website will execute the payload within their browser. This can lead to session hijacking, administrative credential theft, or forced redirects to malicious domains. Potential Impact on Web Environments