Nicepage 4.5.4 Exploit May 2026

: A malicious script (usually JavaScript) is embedded into the site’s metadata or content.

) identified in the Nicepage website builder, a popular tool for creating WordPress and Joomla themes. Vulnerability Overview The flaw is a Cross-Site Scripting (XSS) nicepage 4.5.4 exploit

: Regularly review user roles and permissions within your CMS (WordPress/Joomla) to limit the potential "blast radius" of an account compromise. : A malicious script (usually JavaScript) is embedded

vulnerability. In version 4.5.4, the application failed to properly sanitize user-supplied input before rendering it on a page. This allowed attackers to inject malicious scripts into web pages viewed by other users. How the Exploit Works Injection Point vulnerability

: Implement a Web Application Firewall (WAF) to detect and block common XSS attack patterns. Audit Permissions

: When an authenticated administrator or a site visitor loads the affected page, the browser executes the script. : This can lead to: Session Hijacking