CVE-2025-11893 is a critical SQL Injection vulnerability identified in the Charitable – Donation Plugin for WordPress, specifically versions up to and including 1.8.8.4. The vulnerability stems from insufficient escaping and lack of proper preparation of the donation_ids parameter in SQL queries, which allows attackers with authenticated Subscriber-level access or higher to append arbitrary SQL commands. This improper neutralization of special elements (CWE-89) enables attackers to manipulate backend database queries, potentially extracting sensitive information, modifying data, or causing denial of service. Exploitation requires the attacker to have an authenticated account and to have made a paid donation, which acts as a gating mechanism but does not require elevated privileges beyond Subscriber. The vulnerability affects all versions of the plugin up to 1.8.8.4, with no patches currently available. The CVSS 3.1 base score is 8.8, reflecting network attack vector, low attack complexity, required privileges, no user interaction, and high impact on confidentiality, integrity, and availability. Although no known exploits are currently reported in the wild, the vulnerability poses a significant risk to WordPress sites using this plugin, especially those handling sensitive donor information and recurring donations.

The exploitation of CVE-2025-11893 can lead to severe consequences for organizations using the affected plugin. Attackers can extract sensitive donor and organizational data, including personal and financial information, leading to privacy breaches and potential regulatory non-compliance. Data integrity can be compromised by unauthorized modification or deletion of records, undermining trust and operational reliability. Availability may be impacted if attackers execute destructive queries or cause database corruption, potentially disrupting fundraising activities and donation processing. Since the vulnerability requires only Subscriber-level access and a paid donation, it lowers the barrier for exploitation within organizations that allow user registrations and donations. This can lead to insider threats or abuse by malicious donors. The reputational damage and financial losses from data breaches and service outages can be significant, especially for non-profit organizations relying on donations. The lack of an available patch increases the urgency for immediate mitigation.

Organizations should immediately audit their WordPress installations to identify the use of the Charitable – Donation Plugin and verify the plugin version. Until an official patch is released, the following specific mitigations are recommended: 1) Restrict user registration and donation processes to trusted users only, minimizing the risk of malicious authenticated users. 2) Implement Web Application Firewall (WAF) rules to detect and block suspicious SQL injection patterns targeting the donation_ids parameter. 3) Employ database query monitoring and anomaly detection to identify unusual query patterns indicative of injection attempts. 4) Limit database user permissions for the WordPress application to the minimum necessary, preventing unauthorized data access or modification. 5) Consider temporarily disabling the plugin or donation features if feasible, especially if the risk profile is high. 6) Monitor logs for signs of exploitation attempts and prepare incident response plans. 7) Follow vendor communications closely for patches or updates and apply them promptly once available. These targeted actions go beyond generic advice by focusing on access control, monitoring, and immediate risk reduction.