CVE-2026-48194 in DukaMarket Plugin
Summary
by MITRE • 10/10/2026
Unauthenticated Local File Inclusion in DukaMarket <= 1.3.0 versions.
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Analysis
by VulDB Data Team • 10/11/2026
The vulnerability identified as an unauthenticated local file inclusion flaw within DukaMarket versions up to and including 1.3.0 represents a critical security deficiency that allows attackers to read arbitrary files from the server's filesystem without requiring any form of authentication or user interaction. This type of vulnerability typically arises when a web application accepts input parameters, such as filenames or paths provided via URL query strings or POST data, and incorporates them directly into file system operations like include statements in PHP-based applications without sufficient validation or sanitization. In the context of DukaMarket, which is an e-commerce platform built on WordPress, this flaw likely stems from improper handling of template files or asset requests where user-supplied input is passed to functions such as require_once or include, enabling the execution or disclosure of local system resources.
From a technical perspective, the core issue lies in the lack of strict allow-listing for file paths and insufficient validation against directory traversal sequences like dot-dot-slash. An attacker can manipulate these inputs to traverse directories outside the intended web root, accessing sensitive configuration files such as wp-config.php which contains database credentials, or other critical system files that may expose internal network structures, environment variables, or source code logic. This capability effectively bypasses standard access controls because it does not rely on exploiting a broken authentication mechanism but rather abuses the application's file handling logic to read data that should remain inaccessible to unauthenticated users. The severity of this flaw is compounded by its remote exploitability and lack of prerequisites for user interaction, making it highly attractive to automated scanning tools and malicious actors seeking initial access or information gathering phases in an attack chain.
The operational impact of this vulnerability extends beyond simple data disclosure. By reading sensitive configuration files, attackers can extract database usernames and passwords, which may lead to full compromise of the backend database containing customer personal identifiable information, transaction histories, and payment details if proper encryption is not employed at rest. Furthermore, in some configurations, local file inclusion vulnerabilities can be chained with other weaknesses such as arbitrary file upload or cross-site scripting to achieve remote code execution, although even without escalation, the ability to read sensitive files poses a significant risk of compliance violations under regulations like GDPR or PCI-DSS due to the exposure of protected data. The availability of this flaw in unauthenticated contexts means that any visitor to the site can potentially exploit it, increasing the attack surface significantly and making detection by standard web application firewalls more challenging if the payloads are carefully crafted to evade signature-based rules.
To mitigate this vulnerability, immediate action is required to update DukaMarket to a version newer than 1.3.0 where the issue has been addressed by the developers through improved input validation and secure file handling practices. Until an upgrade can be performed, administrators should implement web application firewall rules that detect and block common directory traversal patterns in request parameters related to file inclusion. Additionally, ensuring that PHP configuration directives such as allow_url_include are disabled and open_basedir is set restrictively can limit the impact of any successful exploitation attempts by confining file access to specific directories. Regular security audits and code reviews focusing on how user input interacts with system functions are essential preventive measures for maintaining the integrity of web applications against local file inclusion attacks, which remain a persistent threat in modern software development as categorized under CWE-98 Improper Control of Filename for Include/Require Statement in the Common Weakness Enumeration. This vulnerability also aligns with ATT&CK technique T1083 File and Directory Discovery, highlighting its role in the reconnaissance phase of cyberattacks where adversaries gather information to plan further exploitation steps.