CVE-2025-23912 in Custom Sidebar Plugin
Summary
by MITRE • 01/16/2025
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Typomedia Foundation WordPress Custom Sidebar allows Blind SQL Injection.This issue affects WordPress Custom Sidebar: from n/a through 2.3.
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Analysis
by VulDB Data Team • 01/16/2025
The vulnerability identified as CVE-2025-23912 represents a critical SQL injection flaw within the Typomedia Foundation WordPress Custom Sidebar plugin, specifically targeting versions through 2.3. This vulnerability falls under the Common Weakness Enumeration category CWE-89, which classifies improper neutralization of special elements used in an SQL command. The flaw enables attackers to manipulate database queries through malicious input, potentially leading to unauthorized data access, modification, or deletion.
The technical implementation of this vulnerability occurs through blind SQL injection techniques, where attackers can infer database structure and content through indirect responses rather than direct error messages. The Typomedia Foundation WordPress Custom Sidebar plugin fails to properly sanitize user inputs before incorporating them into SQL queries, creating an attack surface where malicious actors can construct SQL commands that execute unintended database operations. This particular weakness manifests when user-provided parameters are directly concatenated into SQL statements without proper input validation or parameterization.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to perform extensive database manipulation. Successful exploitation could result in complete database compromise, allowing threat actors to extract sensitive information, modify user credentials, or even escalate privileges within the WordPress environment. The blind nature of the injection means that attackers can systematically probe database structures and content without immediate detection, making this vulnerability particularly dangerous for prolonged exploitation. The affected range spanning from version n/a through 2.3 indicates that virtually all versions of this plugin remain at risk, suggesting a widespread exposure across numerous WordPress installations.
Mitigation strategies should prioritize immediate plugin updates to versions that address this vulnerability, as recommended by the plugin developers and WordPress security advisories. Organizations should implement input validation and parameterized queries as defensive measures, ensuring that all user inputs are properly sanitized before database interaction. Additionally, network-level protections such as web application firewalls and database query monitoring can provide additional layers of defense. The ATT&CK framework categorizes this vulnerability under T1071.004 for application layer protocols and T1566.001 for valid accounts, emphasizing the need for comprehensive security measures beyond just patching. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other plugins and custom code implementations, as SQL injection remains one of the most prevalent and impactful attack vectors in web applications.