CVE-2025-39352 in Grand Restaurant Theme
Summary
by MITRE • 05/19/2025
Missing Authorization vulnerability in ThemeGoods Grand Restaurant WordPress allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Grand Restaurant WordPress: from n/a through 7.0.
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Analysis
by VulDB Data Team • 01/23/2026
The CVE-2025-39352 vulnerability represents a critical missing authorization flaw within the ThemeGoods Grand Restaurant WordPress theme, specifically targeting access control configuration security levels. This vulnerability exists in versions ranging from unspecified initial release through version 7.0, creating a persistent security risk for WordPress installations utilizing this particular theme. The flaw stems from improper implementation of access control mechanisms that should enforce user authentication and authorization checks before granting access to sensitive administrative functions or data modification capabilities.
This missing authorization vulnerability operates at the core of web application security by failing to properly validate user permissions before executing privileged operations. The issue manifests when the theme's code does not adequately verify whether a user possesses the necessary credentials or administrative privileges to perform specific actions within the WordPress administration panel. Attackers can exploit this weakness to bypass intended access controls and gain unauthorized access to administrative features that should only be available to legitimate administrators or authorized users.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it enables attackers to manipulate critical system components through the compromised theme. An attacker who successfully exploits this vulnerability could potentially modify restaurant menu configurations, alter reservation systems, access customer data, or even escalate privileges to gain full administrative control over the WordPress installation. This represents a significant threat to business continuity and data integrity, particularly for restaurant businesses that rely heavily on their online presence and customer information management systems.
From a cybersecurity perspective, this vulnerability aligns with CWE-285, which addresses improper authorization issues in software systems, and maps to ATT&CK technique T1078 for valid accounts and T1546 for privilege escalation. The attack surface is particularly concerning as it affects a widely used WordPress theme, meaning that numerous websites could be simultaneously vulnerable. The vulnerability's persistence across multiple versions suggests a fundamental flaw in the theme's security architecture rather than a one-time coding error.
Organizations should immediately implement mitigation strategies including updating to the latest version of the Grand Restaurant theme once available, implementing additional access control measures through WordPress security plugins, and conducting comprehensive security audits of their theme installations. Network monitoring should be enhanced to detect unauthorized access attempts, while role-based access controls should be reviewed and strengthened to ensure that only authorized personnel maintain access to administrative functions. The vulnerability also underscores the importance of regular security assessments and the need for theme developers to follow secure coding practices and security standards throughout their development lifecycle.