If you are managing a site using Nicepage and are concerned about potential exploits, follow these standard hardening steps:
Note: This code is provided for educational and authorized testing purposes only. nicepage 4160 exploit
The vulnerability stems from the plugin's handling of the import functionality. The plugin relies on the is_editor flag to determine whether to validate user permissions and file types. Because this flag could be manipulated by the user without authentication checks, the security controls were bypassed. If you are managing a site using Nicepage
The single most important step you can take is to . As of May 2026, the current stable release is Nicepage 8.4 (released March 26, 2026). Newer versions include numerous improvements that are likely to have fixed any underlying issues present in version 4.16. Because this flag could be manipulated by the
Historically, vulnerabilities involving older versions of the Nicepage Builder Plugin or themes fall into three primary tactical categories: 1. Insecure Deserialization & File Uploads WordPress: Nicepage plugin import failed #2317 - GitHub
Injection of SEO spam scripts, forced malicious redirections, or deployment of phishing portals. Privilege Escalation
The exploit is identified as CVE-2022-4160, a Common Vulnerabilities and Exposures (CVE) number assigned by the MITRE Corporation. This CVE number is used to track and identify vulnerabilities in software, hardware, and firmware.