CVE-2026-60030 in Quix Page Builder Pro Plugin
Summary
by MITRE • 07/20/2026
The Joomla extension Quix Page Builder Pro is vulnerable to an improper access control. Authenticated users could upload media files regardless of their media management permissions.
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Analysis
by VulDB Data Team • 07/21/2026
The vulnerability in the Joomla extension Quix Page Builder Pro represents a critical improper access control flaw that undermines the fundamental security principles of role-based access control within content management systems. This issue allows authenticated users to bypass intended permission boundaries and upload media files without proper authorization, creating an unauthorized data injection vector that can be exploited by both malicious insiders and attackers who have gained initial access to the system. The flaw resides in the extension's file upload validation mechanisms which fail to properly verify user permissions before allowing media operations, effectively disabling the access control checks that should govern media management activities within the Joomla ecosystem.
From a technical perspective, this vulnerability manifests when authenticated users with insufficient privileges attempt to upload media files through the Quix Page Builder Pro interface. The system fails to perform adequate permission validation during the file upload process, allowing unauthorized operations to proceed regardless of the user's assigned roles or permissions within the Joomla access control framework. This misconfiguration enables privilege escalation through file upload functionality, where users who should be restricted from uploading media content can bypass these restrictions entirely. The vulnerability operates at the application level and affects the core authentication and authorization components of the extension, making it particularly dangerous as it can be exploited to establish persistent presence within the system.
The operational impact of this vulnerability extends beyond simple unauthorized file uploads and creates a significant risk posture for organizations using the Quix Page Builder Pro extension. Attackers could leverage this flaw to upload malicious files such as web shells, malware payloads, or phishing materials that could compromise the entire Joomla installation. The unauthorized media upload capability also enables data exfiltration scenarios where sensitive information could be embedded within uploaded media files or used to create misleading content that affects website integrity and user trust. Additionally, this vulnerability can facilitate denial of service attacks through the consumption of storage resources or the deployment of resource-intensive malicious files.
Organizations utilizing the Quix Page Builder Pro extension should immediately implement mitigations including updating to the latest version that addresses the access control flaw, reviewing and tightening user permission assignments within the Joomla system, and implementing additional monitoring controls for media file uploads. Network segmentation and file integrity monitoring should be deployed to detect unauthorized file upload activities, while security teams should conduct comprehensive access control reviews to ensure proper privilege allocation. This vulnerability aligns with CWE-284 which specifically addresses improper access control in software systems, and maps to ATT&CK technique T1078 which covers valid accounts and privilege escalation through unauthorized access to system resources. The remediation approach should include implementing proper input validation, strengthening authentication checks, and ensuring that all file upload operations require explicit permission verification before execution.
The broader implications of this vulnerability highlight the critical importance of proper access control implementation in web applications, particularly within CMS environments where multiple user roles and permissions must be carefully managed. This flaw demonstrates how seemingly minor permission validation gaps can result in significant security breaches and emphasizes the need for thorough security testing of third-party extensions before deployment in production environments. Organizations should consider implementing automated security scanning tools that can detect such access control issues during the software development lifecycle, as well as establishing comprehensive security policies that govern extension usage and user permissions within their Joomla installations. The vulnerability serves as a reminder that even authenticated users with legitimate access rights must still be properly constrained by appropriate authorization checks to prevent privilege abuse scenarios that could compromise entire systems.