CVE-2026-82304 in Music Store Plugin
Summary
by MITRE • 09/05/2026
The Music Store WordPress plugin before 1.4.5 does not sanitise and escape user input before using it in a SQL statement, leading to a SQL injection exploitable by unauthenticated users.
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Analysis
by VulDB Data Team • 09/05/2026
The vulnerability identified within the Music Store WordPress plugin prior to version 1.4.5 represents a critical security flaw rooted in insufficient data validation and output encoding practices. Specifically, the application fails to properly sanitize or escape user-supplied input before incorporating it into SQL query structures. This architectural deficiency allows an attacker to inject malicious SQL commands directly into the database layer by manipulating HTTP request parameters that are processed without adequate protective measures. The absence of prepared statements or rigorous type checking creates a direct pathway for unauthorized data manipulation, which is particularly severe given that this flaw can be exploited by unauthenticated users who do not require valid credentials to initiate an attack.
From a technical perspective, the core issue lies in the improper handling of dynamic SQL construction. When user input such as search queries, form submissions, or URL parameters is passed directly into database operations without escaping special characters like single quotes or semicolons, the database engine may interpret these inputs as part of the query logic rather than literal data values. This misinterpretation enables attackers to alter the intended execution flow of SQL statements. By injecting payloads that include logical operators, comment sequences, and union-based selection techniques, an attacker can extract sensitive information from the underlying database, modify existing records, or potentially execute administrative commands depending on the privileges assigned to the database user account associated with the web application.
The operational impact of this vulnerability is substantial, as it compromises the confidentiality, integrity, and availability of data stored within the WordPress site's database. Unauthenticated attackers can leverage SQL injection techniques such as UNION-based attacks to dump entire tables containing usernames, hashed passwords, API keys, and other sensitive configuration details. This exposure facilitates further compromise vectors including account takeover through credential stuffing or offline password cracking sessions. Furthermore, depending on the specific database management system in use, an attacker might achieve remote code execution by writing malicious files to the server filesystem via SQL commands like INTO OUTFILE, thereby gaining full control over the hosting environment and potentially using it as a pivot point for broader network intrusions.
This vulnerability aligns with Common Weakness Enumeration identifier CWE-89, which classifies improper neutralization of special elements used in an SQL command, commonly known as SQL Injection. In terms of offensive security frameworks, this flaw maps to the MITRE ATT&CK technique T1190, Exploit Public-Facing Application, where adversaries leverage vulnerabilities in internet-accessible software to gain initial access. The lack of input sanitization also reflects a deviation from secure coding standards that mandate strict validation against expected data types and formats before processing user inputs.
To mitigate this risk, immediate action is required by upgrading the Music Store plugin to version 1.4.5 or later where these issues have been addressed through improved code practices. Developers should implement parameterized queries or prepared statements for all database interactions involving external input, ensuring that data and logic are strictly separated. Additionally, applying the principle of least privilege to the database user account used by the web application can limit the potential damage even if an injection occurs. Input validation routines should be enforced at both the client-side interface level for usability and server-side for security, rejecting any inputs that do not conform to expected patterns or character sets. Regular security audits and static code analysis tools configured to detect SQL injection patterns are also recommended to prevent similar vulnerabilities in future development cycles.