CVE-2026-24529 in Quick Restaurant Reservations Plugin
Summary
by MITRE • 01/23/2026
Missing Authorization vulnerability in Alejandro Quick Restaurant Reservations quick-restaurant-reservations allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Quick Restaurant Reservations: from n/a through <= 1.6.7.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 01/23/2026
The CVE-2026-24529 vulnerability represents a critical missing authorization flaw within the Alejandro Quick Restaurant Reservations plugin, specifically impacting versions ranging from the initial release through version 1.6.7. This vulnerability stems from incorrectly configured access control security levels that fail to properly validate user permissions before granting access to sensitive administrative functions. The flaw exists at the core of the plugin's authorization mechanism, where proper checks are either absent or improperly implemented, allowing unauthorized users to bypass normal access restrictions and gain elevated privileges.
This missing authorization vulnerability operates under the broader category of access control misconfigurations that are classified under CWE-285, which specifically addresses improper authorization within software systems. The vulnerability manifests when the plugin fails to verify whether a user possesses the necessary permissions to perform administrative actions, creating a pathway for privilege escalation attacks. Attackers can exploit this flaw to access reservation management features, modify booking data, and potentially manipulate the entire reservation system without proper authentication.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it creates a persistent security risk that can compromise the integrity and availability of restaurant reservation data. An attacker who successfully exploits this vulnerability can modify reservation details, delete bookings, and potentially access sensitive customer information stored within the system. This represents a significant concern for businesses relying on the plugin for their reservation management, as the compromise could lead to financial losses, reputational damage, and potential regulatory violations under data protection laws.
From an attack perspective, this vulnerability aligns with techniques described in the MITRE ATT&CK framework under the T1078 privilege escalation tactic, where adversaries leverage misconfigurations to gain elevated access rights. The flaw is particularly dangerous because it requires minimal expertise to exploit, making it attractive to attackers who may not possess advanced technical skills. The vulnerability's impact is amplified by the fact that it affects the entire plugin ecosystem, potentially allowing attackers to compromise multiple installations simultaneously.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements. The primary solution involves updating to version 1.6.8 or later, which includes proper authorization checks and access control implementations. Organizations should also implement comprehensive access control reviews, ensuring that all user interactions with the reservation system are properly authenticated and authorized. Network segmentation and monitoring controls should be deployed to detect unauthorized access attempts, while regular security audits can help identify similar misconfigurations in other system components. Additionally, implementing principle of least privilege access controls and regular permission reviews can significantly reduce the attack surface and prevent similar vulnerabilities from emerging in the future.