A critical privilege escalation vulnerability in Vvveb allows authenticated users to gain Super Administrator access and execute arbitrary code on the host system.

This vulnerability, categorized as CWE-915, exists in the admin user profile save endpoint. It allows any authenticated user to inject malicious parameters, specifically role_id=1, into profile update requests to elevate their privileges and subsequently upload malicious plugins for remote code execution.

The ability for a standard authenticated user to escalate privileges to Super Administrator represents a total compromise of the application environment. An attacker with these elevated permissions can perform unauthorized data modification, administrative actions, and execute arbitrary code, leading to complete system takeover. With a CVSS score of 8.8, this vulnerability poses a high risk to organizational security and data integrity.

Immediate Action: Update the Vvveb installation to version 1.0.8.1 or later, which includes the necessary security patches to prevent unauthorized attribute modification.

Proactive Monitoring: Review administrative user logs for suspicious profile updates and monitor the plugin upload directory for unauthorized or unrecognized files.

Compensating Controls: Implement strict Web Application Firewall (WAF) rules to inspect and sanitize incoming HTTP POST requests directed at the user profile save endpoint.

Public Exploit Available: No

Given the severity of this privilege escalation and the potential for remote code execution, administrators must prioritize updating to version 1.0.8.1 immediately. Failure to patch this vulnerability leaves the application and underlying infrastructure susceptible to total compromise by any authenticated user.