CVE-2026-32580 in WooCommerce Lottery Plugin
Summary
by MITRE • 10/06/2026
Unauthenticated SQL Injection in WooCommerce Lottery <= 2.2.9 versions.
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Analysis
by VulDB Data Team • 10/06/2026
The vulnerability identified as an unauthenticated SQL injection flaw within the WooCommerce Lottery plugin, specifically affecting versions up to and including 2.2.9, represents a critical security deficiency that allows remote attackers to execute arbitrary Structured Query Language commands against the underlying database without requiring valid credentials or authentication tokens. This type of vulnerability is fundamentally rooted in CWE-89, which classifies improper neutralization of special elements used in an SQL command, commonly known as SQL injection. The core technical flaw typically arises from the application's failure to properly sanitize user-supplied input before incorporating it into dynamic database queries. In the context of a WordPress plugin like WooCommerce Lottery, this often occurs when parameters related to lottery draws, ticket purchases, or participant lists are passed directly from HTTP requests into SQL statements without adequate validation, escaping, or the use of prepared statements with parameterized queries.
From an operational perspective, the impact of this vulnerability is severe due to its unauthenticated nature. Attackers can exploit this flaw remotely over the network by crafting malicious HTTP requests that contain specially crafted input strings designed to alter the logic of SQL queries executed by the database management system. This capability enables a wide range of malicious activities, including but not limited to extracting sensitive data such as user credentials, personal identifiable information, and payment details stored in the WordPress database. Furthermore, skilled attackers may leverage this vulnerability for privilege escalation or even achieve remote code execution on the hosting server depending on the specific configuration of the database management system and its permissions. This aligns with MITRE ATT&CK technique T1059, which covers command and script interpretation, as well as T1078 regarding valid accounts if the attacker can escalate privileges through the injected queries to gain administrative access within the application layer.
The exploitation of this vulnerability does not require any prior interaction or login session, making it particularly dangerous in automated scanning scenarios where bots continuously probe for known vulnerabilities across thousands of websites. The lack of authentication bypasses traditional security controls that rely on user identity verification, allowing direct manipulation of the database backend. This can lead to data integrity issues, unauthorized modifications to lottery results or ticket records, and potential defacement of the website if the attacker has write access to files via SQL commands such as SELECT INTO OUTFILE in MySQL environments. The persistence of this flaw in versions up to 2.2.9 suggests a gap in secure coding practices during development and insufficient rigorous security testing prior to release.
To mitigate this vulnerability, immediate action is required by upgrading the WooCommerce Lottery plugin to version 2.3.0 or later where the issue has been addressed through proper input validation and parameterized query implementation. Administrators should also ensure that their WordPress installation and other plugins are updated to their latest stable versions to maintain a robust security posture. In addition to patching, implementing Web Application Firewalls can provide an additional layer of defense by detecting and blocking malicious SQL injection patterns in incoming traffic. Database access permissions should be restricted according to the principle of least privilege, ensuring that the database user account used by WordPress does not have excessive privileges such as file system write access or administrative rights within the database server itself. Regular security audits and code reviews focusing on data handling practices are essential to prevent similar vulnerabilities from being introduced in future updates.