: Ensure your WordPress or Joomla installation is not stuck on an outdated 4.5.x core, as these versions have dozens of known critical CVEs.

"Google Chrome DevTool Audit show that jQuery library from Nicepage is outdated and have known security vulnerabilities. Why Nicepage use jQuery v1.9.1 instead v3.4.x?" — Vitaliy WD, Nicepage Forum (July 3, 2019)

The Nicepage 4.5.4 exploit is a serious vulnerability that can have severe consequences for website owners and developers. By understanding the vulnerability and taking immediate action to protect your website, you can prevent unauthorized access, data theft, and malware injection. Remember to follow best practices to prevent exploits and vulnerabilities, including keeping software up-to-date, using strong passwords, and monitoring your website for suspicious activity. If you are using Nicepage 4.5.4, take action today to protect your website and ensure the security of your online presence.

Running this against a vulnerable Nicepage 4.5.4 installation would return the database configuration.

: Your website can be turned into a vector for distributing malware to unsuspecting visitors via drive-by downloads. How to Detect if Your Site Was Compromised

I can provide tailored instructions to help you update or clean your specific setup. Share public link

Older builders often rely on outdated libraries (like moment.js or lodash ) that have known path traversal and command injection flaws. Critical Mitigation Steps

Nicepage is a website builder that allows users to create professional-looking websites without requiring extensive coding knowledge. It offers a range of features, including a drag-and-drop editor, customizable templates, and integrations with third-party services. Nicepage is popular among small businesses, entrepreneurs, and individuals who want to create a website quickly and easily.

By manipulating the template parameter, an attacker could force the plugin to read and execute arbitrary files on the server via PHP’s include() function.

: Users have previously raised concerns on the Nicepage Forum regarding the software's use of outdated jQuery (v1.9.1) , which contains known vulnerabilities that could be targeted by automated scanners.

: Review your CMS user list for unauthorized accounts with admin privileges.

Is your site deployed as a , a WordPress theme , or a Joomla site ?

The nicepage_activate_theme function was designed to import demo content and themes. However, version 4.5.4 failed to verify the authenticity or encoding of the template parameter. Attackers discovered they could inject path traversal sequences (e.g., ../../ ) followed by a malicious payload.

To protect yourself from the Nicepage 4.5.4 exploit:

: Inspect your access logs for unusual POST requests directed at Nicepage plugin folders. Step-by-Step Mitigation and Remediation

Historically, older versions of website builders bundle embedded components like legacy jQuery libraries (e.g., jQuery 1.9.1 or old bootstrap scripts) to handle legacy visual effects and animations. These deprecated dependencies have documented, publicly reachable Common Vulnerabilities and Exposures (CVEs). This allows an external threat actor to achieve DOM-based manipulation without authenticating directly against the host application CMS. 3. Path Exposure and Information Leakage