CVE-2026-0806 is a SQL Injection vulnerability identified in the WP-ClanWars plugin for WordPress, affecting all versions up to and including 2.0.1. The root cause is insufficient escaping and lack of prepared statements for the 'orderby' parameter in SQL queries. This flaw allows authenticated users with administrator-level access or higher to append arbitrary SQL commands to existing queries. Because the injection point is within an administrative context, exploitation requires elevated privileges, limiting the attack surface to trusted users. Successful exploitation can lead to unauthorized extraction of sensitive data from the backend database, compromising confidentiality. The vulnerability does not affect data integrity or availability and does not require user interaction beyond authentication. The CVSS v3.1 score is 4.9 (medium), reflecting the network attack vector, low attack complexity, high privileges required, no user interaction, and impact limited to confidentiality. No public exploits or patches have been reported as of the publication date. The vulnerability was reserved and published in January 2026 by Wordfence. The plugin is used primarily in gaming communities running clan management on WordPress sites, which may influence affected demographics.

The primary impact of CVE-2026-0806 is unauthorized disclosure of sensitive information stored in the WordPress database, such as user data, configuration details, or other confidential content managed by the WP-ClanWars plugin. Since exploitation requires administrator-level access, the risk is mainly from malicious insiders or compromised admin accounts. If exploited, attackers can extract data without altering or deleting it, so integrity and availability remain intact. However, leaked data could facilitate further attacks or privacy violations. Organizations relying on WP-ClanWars for clan or gaming community management may face reputational damage and compliance issues if sensitive data is exposed. The medium severity rating reflects the limited scope of exploitation and the prerequisite of elevated privileges, reducing the likelihood of widespread impact. Nonetheless, the vulnerability represents a significant risk in environments where admin credentials are weak or compromised.

To mitigate CVE-2026-0806, organizations should immediately restrict administrator access to trusted personnel and enforce strong authentication mechanisms, such as multi-factor authentication, to reduce the risk of credential compromise. Monitoring and logging of database queries related to the WP-ClanWars plugin can help detect anomalous or suspicious activity indicative of SQL injection attempts. Until an official patch is released, consider disabling or removing the WP-ClanWars plugin if feasible, or isolating it in a controlled environment. Developers and site administrators should apply principle of least privilege to WordPress roles, ensuring only necessary users have admin rights. When a patch becomes available, promptly update the plugin to a fixed version that properly sanitizes and prepares SQL queries. Additionally, employing Web Application Firewalls (WAFs) with custom rules targeting SQL injection patterns in the 'orderby' parameter can provide a temporary protective layer. Regular security audits and vulnerability scanning of WordPress plugins are recommended to identify similar issues proactively.