CVE-2026-94080 in MarketKing Plugin
Summary
by MITRE • 09/23/2026
Unauthenticated Broken Access Control in MarketKing <= 2.1.70 versions.
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Analysis
by VulDB Data Team • 09/24/2026
The vulnerability identified as an unbroken access control issue within MarketKing versions prior to or equal to 2.1.70 represents a critical failure in the application's security architecture, specifically regarding authentication and authorization mechanisms. This flaw allows attackers who have not yet authenticated with the system to bypass intended restrictions and interact with protected resources or administrative functions that should be restricted to authorized users only. In modern web applications, access control is typically enforced through session management tokens, role-based permissions, or API key validation at every request endpoint. The absence of these checks in specific endpoints creates a direct path for unauthorized entities to manipulate the application state, potentially leading to data breaches, service disruption, or complete system compromise.
From a technical perspective, this vulnerability aligns with CWE-284, which describes Improper Access Control, and more specifically often relates to CWE-306, Missing Authentication for Critical Function. The root cause likely stems from the application framework failing to enforce security filters on certain API routes or administrative pages before processing incoming requests. This could be due to misconfigured middleware that skips authentication checks under specific conditions, such as when a request originates from an internal network segment if the developer incorrectly assumed all traffic was trusted, or simply because the route definition omitted the necessary decorator or annotation required by the framework's security module. Without proper validation of user identity and privileges before executing sensitive logic, any actor with network connectivity to the service can exploit this gap.
The operational impact of such a vulnerability is severe and multifaceted. Attackers can leverage unauthenticated access to view, modify, or delete critical business data stored within the MarketKing platform. This includes customer information, transaction records, inventory levels, and potentially financial details depending on the integration depth of the system. Furthermore, if administrative functions are exposed without authentication, an attacker could alter application configurations, create new administrator accounts with elevated privileges, or inject malicious code into the application environment. In e-commerce contexts like MarketKing, this can lead to direct financial loss through fraudulent transactions, price manipulation, or inventory sabotage, severely damaging business reputation and customer trust.
This type of vulnerability is frequently associated with MITRE ATT&CK technique T1078, Valid Accounts, although in this specific case it involves unauthenticated access which maps closer to initial access vectors where attackers exploit misconfigurations rather than stolen credentials. It also relates to privilege escalation scenarios if the attacker can subsequently use the gained access to elevate their privileges further within the system hierarchy. The lack of proper input validation combined with missing authentication checks creates a high-severity risk that is easily exploitable using standard web scraping tools or automated vulnerability scanners, requiring no specialized knowledge beyond basic HTTP request manipulation.
To mitigate this vulnerability, immediate action must be taken by upgrading MarketKing to version 2.1.70 or later where these access control issues have been addressed in the codebase. If an upgrade is not immediately feasible due to compatibility constraints, temporary mitigations should include implementing a Web Application Firewall rule that blocks requests to known vulnerable endpoints unless they contain valid authentication tokens from trusted sources. Additionally, developers must conduct a thorough audit of all API routes and administrative pages to ensure that security middleware or decorators are consistently applied across the entire application surface area. It is crucial to enforce strict role-based access control policies where every endpoint explicitly checks for user identity and appropriate permissions before executing any business logic. Regular penetration testing focused on broken object level authorization and improper privilege management should be integrated into the development lifecycle to prevent similar issues in future releases.