CVE-2024-4468 in Salon Booking System Plugin
Summary
by MITRE • 06/08/2024
The Salon booking system plugin for WordPress is vulnerable to unauthorized access and modification of data due to a missing capability check on several functions hooked into admin_init in all versions up to, and including, 9.9. This makes it possible for authenticated attackers with subscriber access or higher to modify plugin settings and view discount codes intended for other users.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 11/01/2024
The CVE-2024-4468 vulnerability affects the Salon booking system plugin for WordPress, representing a critical access control flaw that undermines the security posture of affected installations. This vulnerability stems from a missing capability check within the plugin's codebase, specifically targeting functions that are hooked into the WordPress admin_init hook. The flaw exists across all versions of the plugin up to and including version 9.9, making it a widespread concern for WordPress administrators who have deployed this particular booking solution. The vulnerability's impact is particularly concerning because it allows authenticated attackers who possess subscriber-level privileges or higher to exploit the system in ways that were never intended by the plugin developers.
The technical implementation of this vulnerability occurs through improper privilege validation within the plugin's administrative functions. When the admin_init hook is triggered, several functions execute without verifying whether the currently authenticated user possesses the appropriate administrative capabilities required to perform the operations. This missing capability check creates an exploitable path where users with minimal privileges can manipulate plugin configurations and access sensitive information. The flaw specifically affects plugin settings modification and the ability to view discount codes that should remain confidential to specific users or administrators. This represents a clear violation of the principle of least privilege, where users should only have access to functions and data commensurate with their assigned roles within the system.
The operational impact of this vulnerability extends beyond simple unauthorized access, creating potential risks for data integrity and user privacy within salon booking systems. Attackers with subscriber-level access can modify critical plugin settings that may affect booking availability, pricing structures, and service configurations, potentially leading to financial losses or service disruptions. The exposure of discount codes intended for specific users creates additional risks including potential abuse by malicious actors seeking to exploit promotional offers. Furthermore, the ability to modify plugin settings could allow attackers to disable security features, alter booking workflows, or manipulate customer data in ways that could compromise the entire salon management system. This vulnerability particularly affects businesses that rely heavily on automated booking systems and promotional pricing strategies, where unauthorized modifications could result in significant financial and reputational damage.
Mitigation strategies for CVE-2024-4468 should prioritize immediate plugin updates to versions that address the missing capability checks, as recommended by the plugin developers and security vendors. System administrators should conduct comprehensive audits of user roles and permissions to ensure that only authorized personnel have access to plugin administration functions. The implementation of additional monitoring mechanisms to detect unauthorized modifications to plugin settings can serve as an important defensive measure. Organizations should also consider implementing role-based access controls that further restrict what actions users can perform within the WordPress admin interface. From a compliance perspective, this vulnerability aligns with CWE-284 which addresses improper access control, and may be categorized under ATT&CK technique T1078 for valid accounts and privilege escalation. Regular security assessments of WordPress plugins and themes remain essential for maintaining system integrity, as this vulnerability demonstrates the critical importance of proper capability validation in web application development.