CVE-2026-62053 in Wine House Plugin
Summary
by MITRE • 10/10/2026
Unauthenticated PHP Object Injection in Wine House <= 3.20 versions.
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Analysis
by VulDB Data Team • 10/11/2026
The vulnerability identified as an unauthenticated PHP object injection flaw within Wine House versions prior to or equal to 3.20 represents a critical security deficiency that allows attackers to execute arbitrary code on the target server without requiring valid credentials. This type of vulnerability stems from the application's failure to properly validate and sanitize user-supplied input before it is passed to PHP’s unserialize function, which is commonly used for deserializing data structures such as arrays or objects stored in sessions, cookies, or POST parameters. When an attacker provides a specially crafted serialized string containing malicious payloads, typically leveraging public classes with magic methods like __wakeup(), __destruct(), or __toString(), the application inadvertently instantiates these objects and executes their associated logic during the deserialization process. This mechanism bypasses standard authentication controls entirely because the exploitation occurs at the parsing layer of the request lifecycle, often before any session validation or access control checks are enforced by the web framework.
From a technical perspective, this flaw is categorized under CWE-502, which denotes Deserialization of Untrusted Data, and frequently intersects with CWE-434 if it involves uploading dangerous file types that can be executed later, though in this specific instance, the immediate impact is direct code execution via object injection. The attacker constructs a serialized payload that references classes available within the Wine House application or its dependencies, such as WordPress plugins or core libraries. By manipulating properties of these objects, the adversary can trigger side effects like file inclusion, database manipulation, or remote command execution depending on which magic methods are implemented and what system-level functions they invoke. Since no authentication is required to send this initial request, the attack surface is maximized, allowing any internet user with network access to attempt exploitation against vulnerable instances of the software.
The operational impact of successfully exploiting this vulnerability is severe, resulting in a complete compromise of the underlying web server and potentially the entire backend infrastructure hosting the Wine House installation. An attacker can gain full administrative control over the application, leading to unauthorized modification or deletion of wine inventory data, customer records, and transaction logs. Furthermore, because PHP object injection often allows for arbitrary file reads and writes, sensitive configuration files containing database credentials or API keys may be exfiltrated, facilitating further lateral movement within the network. In many cases, this vulnerability serves as an initial foothold for more advanced attacks such as deploying web shells, installing cryptominers, or pivoting to other systems connected to the same internal network segment. The lack of authentication requirement makes it particularly attractive for automated scanning tools and botnets that seek to compromise large numbers of internet-facing servers rapidly.
To mitigate this risk, immediate action is required by upgrading Wine House to version 3.21 or later where the deserialization logic has been patched to prevent untrusted input from triggering dangerous object instantiation. If an upgrade is not immediately feasible, administrators should implement strict allowlists for serialized data inputs and disable any unused classes that contain magic methods susceptible to exploitation. Additionally, deploying a Web Application Firewall with rules specifically designed to detect anomalous serialization patterns or known exploit signatures can provide a layer of defense in depth. It is also critical to ensure that PHP configurations restrict the use of potentially dangerous functions such as eval(), exec(), and system() through disable_functions directives where possible, although this should not be relied upon as the primary mitigation strategy given its ease of circumvention by determined attackers. Regular security audits and code reviews focusing on input validation practices are essential to prevent similar vulnerabilities in future updates or custom modules integrated into the Wine House ecosystem.