CVE-2026-1370 identifies a time-based SQL Injection vulnerability in the SIBS woocommerce payment gateway plugin for WordPress, specifically affecting all versions up to and including 2.2.0. The vulnerability arises from improper neutralization of special elements in the 'referencedId' parameter, which is used in SQL queries without sufficient escaping or parameterization. Authenticated attackers with Administrator-level access or higher can exploit this flaw by injecting additional SQL commands into existing queries. This injection is time-based, meaning attackers can infer data by measuring response delays, enabling extraction of sensitive information from the backend database. The vulnerability does not require user interaction but does require elevated privileges, limiting the attacker scope to trusted users with administrative rights. The plugin’s failure to properly sanitize input leads to this CWE-89 (Improper Neutralization of Special Elements used in an SQL Command) vulnerability. Although no public exploits have been reported, the risk remains significant for organizations relying on this payment gateway plugin. The CVSS 3.1 vector (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N) indicates network attack vector, low attack complexity, high privileges required, no user interaction, unchanged scope, high confidentiality impact, and no integrity or availability impact.

The primary impact of this vulnerability is the potential unauthorized disclosure of sensitive information stored in the database of affected WordPress sites using the SIBS woocommerce payment gateway plugin. Attackers with administrator privileges can leverage this flaw to extract confidential data such as customer payment details, transaction records, or other sensitive business information. Although the vulnerability does not allow modification or deletion of data (no integrity or availability impact), the confidentiality breach can lead to financial fraud, identity theft, and reputational damage. Organizations operating e-commerce platforms with this plugin are at risk of data leakage, which could result in regulatory penalties under data protection laws such as GDPR. Since exploitation requires administrator-level access, the threat is more relevant in scenarios where internal users are compromised or malicious insiders exist. The absence of known exploits in the wild reduces immediate risk but does not eliminate the possibility of future attacks. Overall, the vulnerability poses a medium risk to organizations relying on this plugin for payment processing.

To mitigate CVE-2026-1370, organizations should immediately update the SIBS woocommerce payment gateway plugin to a patched version once available. In the absence of an official patch, administrators should implement strict input validation and sanitization on the 'referencedId' parameter, ensuring that user-supplied data is properly escaped or parameterized in SQL queries. Employing prepared statements or parameterized queries in the plugin code is critical to prevent injection. Restrict administrative access to trusted personnel only and enforce strong authentication mechanisms such as multi-factor authentication to reduce the risk of privilege abuse. Regularly audit administrator accounts and monitor logs for suspicious activity related to SQL queries. Additionally, consider deploying Web Application Firewalls (WAFs) with custom rules to detect and block SQL Injection attempts targeting this parameter. Conduct thorough security testing and code reviews of customizations involving this plugin. Finally, maintain regular backups of databases to enable recovery in case of compromise.