CVE-2024-47312 in Classic Editor and Classic Widgets Plugin
Summary
by MITRE • 10/17/2024
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in WP Grim Classic Editor and Classic Widgets classic-editor-and-classic-widgets allows SQL Injection.This issue affects Classic Editor and Classic Widgets: from n/a through <= 1.4.1.
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Analysis
by VulDB Data Team • 04/06/2026
The vulnerability identified as CVE-2024-47312 represents a critical SQL injection flaw within the WP Grim Classic Editor and Classic Widgets plugin ecosystem. This security weakness resides in the improper handling of special elements within SQL commands, creating an avenue for malicious actors to execute unauthorized database operations. The vulnerability specifically impacts versions of the Classic Editor and Classic Widgets plugin ranging from the initial release through version 1.4.1, indicating a prolonged exposure window where systems could remain susceptible to exploitation. The flaw manifests when user input containing special SQL characters or commands is not adequately sanitized or escaped before being incorporated into database queries, allowing attackers to manipulate the intended execution flow of SQL statements.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization mechanisms within the plugin's database interaction components. When administrators or users interact with the classic editor or widget functionalities, the plugin processes user-provided data without sufficient neutralization of potentially malicious SQL metacharacters such as single quotes, semicolons, or comment markers. This failure in input processing creates a direct pathway for attackers to inject arbitrary SQL commands that execute within the context of the database connection. The vulnerability aligns with CWE-89, which specifically addresses SQL injection flaws, and represents a classic example of how insufficient data sanitization can compromise database integrity and confidentiality. The ATT&CK framework categorizes this as a database injection technique under the broader category of command injection, where adversaries leverage application vulnerabilities to manipulate database operations directly.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with potentially full control over the affected database. Successful exploitation could enable unauthorized data retrieval, modification, or deletion of critical information stored within the WordPress installation's database. Attackers might extract sensitive user credentials, configuration settings, or content management data that could facilitate further compromise of the entire WordPress environment. The vulnerability's scope within the classic editor and widget functionalities means that any user with sufficient privileges to access these interfaces could become a vector for exploitation, potentially affecting not only administrators but also contributors or editors who interact with the classic interface components. Organizations running vulnerable versions face significant risk of data breaches, service disruption, and potential regulatory compliance violations that could result from unauthorized database access.
Mitigation strategies for CVE-2024-47312 require immediate action to address the identified SQL injection vulnerability. The primary recommendation involves upgrading to the latest available version of the WP Grim Classic Editor and Classic Widgets plugin where the vulnerability has been patched. System administrators should conduct immediate vulnerability assessments to identify all installations running affected versions and implement comprehensive patch management procedures. Additionally, implementing proper input validation and parameterized queries within the plugin's database interaction code would provide defense-in-depth against similar vulnerabilities. Security monitoring should include detection of unusual database query patterns that might indicate SQL injection attempts, while network segmentation and access controls can limit the potential impact of successful exploitation attempts. Organizations should also consider implementing web application firewalls and database activity monitoring solutions to detect and prevent exploitation attempts targeting this specific vulnerability class.