CVE-2026-84047 in Album Cover Finder Plugin
Summary
by MITRE • 09/12/2026
The Album Cover Finder WordPress plugin through 0.7.0 does not properly sanitize and escape a parameter before using it in a SQL query, allowing unauthenticated users to perform SQL injection attacks.
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Analysis
by VulDB Data Team • 09/12/2026
The vulnerability identified in the Album Cover Finder WordPress plugin versions prior to 0.7.0 represents a critical security flaw rooted in insufficient input validation and output encoding mechanisms. Specifically, the application fails to properly sanitize or escape user-supplied parameters before incorporating them into SQL queries executed against the underlying database management system. This architectural oversight creates a direct pathway for unauthenticated attackers to manipulate backend data operations without requiring valid credentials or prior authentication sessions. The absence of robust parameterization techniques allows malicious actors to inject arbitrary Structured Query Language commands, fundamentally compromising the integrity and confidentiality of the application's data store.
From a technical perspective, this flaw aligns with Common Weakness Enumeration identifier CWE-89, which classifies Improper Neutralization of Special Elements used in an SQL Command. The vulnerability likely stems from the direct concatenation of user input into query strings without employing prepared statements or stored procedures that inherently separate code from data. When a request is processed by the plugin, the unsanitized parameter is interpreted as part of the database command rather than as literal data. This misinterpretation enables attackers to alter the logic of SQL queries, potentially extracting sensitive information such as administrator usernames and password hashes, modifying existing records, or even executing administrative operations on the database server depending on the privileges assigned to the database user account running the web application.
The operational impact of this vulnerability is severe due to its unauthenticated nature. Attackers can exploit this weakness remotely over the network without any prior interaction with the system beyond a single HTTP request containing malicious payload data. This ease of exploitation significantly lowers the barrier for entry, making it accessible to automated scanning tools and opportunistic attackers seeking low-hanging fruit on vulnerable WordPress installations. Successful exploitation could lead to full database compromise, resulting in the exposure of personal user information stored within the site's database, defacement through data manipulation, or further lateral movement if the database server is configured with excessive privileges that allow file system access or operating system command execution via specific SQL functions like LOAD_FILE or INTO OUTFILE.
In terms of threat modeling and industry frameworks, this vulnerability maps to MITRE ATT&CK technique T1059, specifically Command Scripting, as it allows for the injection of commands into a database environment that may be chained with other techniques such as Data from Information Repositories (T1213) or Unsecured Credentials if combined with credential stuffing attacks. The lack of authentication requirement places this vulnerability in a high-risk category within most security scoring systems due to its remote exploitability and potential for widespread automated exploitation across the internet-facing WordPress ecosystem.
To mitigate this risk, immediate action is required by upgrading the Album Cover Finder plugin to version 0.7.0 or later where these sanitization issues have been addressed. For organizations unable to upgrade immediately, implementing a Web Application Firewall with rulesets designed to detect and block SQL injection patterns can provide temporary protection against exploitation attempts. Additionally, developers should adhere to secure coding practices by utilizing parameterized queries or prepared statements for all database interactions involving user input. Regular security audits and code reviews focusing on data flow analysis are essential to identify similar vulnerabilities in other plugins or custom themes that may share the same architectural weaknesses regarding SQL query construction.