CVE-2025-13788 is a SQL injection vulnerability identified in Chanjet CRM, specifically in an unknown function within the /tools/upgradeattribute.php file. The vulnerability arises from improper validation and sanitization of the gblOrgID parameter, which is directly used in SQL queries. This flaw allows an unauthenticated remote attacker to inject arbitrary SQL commands, potentially enabling unauthorized data access, modification, or deletion within the CRM database. The vulnerability does not require any user interaction or privileges, making it remotely exploitable over the network. The CVSS 4.0 score of 6.9 reflects a medium severity, considering the partial impact on confidentiality, integrity, and availability, and the lack of authentication or user interaction. The vendor has been notified but has not issued any patches or advisories, and public exploit information is available, increasing the risk of exploitation. Chanjet CRM is used primarily in business environments for customer relationship management, meaning that exploitation could lead to exposure or manipulation of sensitive customer and business data. The absence of vendor response and patch availability means organizations must rely on compensating controls and monitoring until an official fix is released.

For European organizations, exploitation of this vulnerability could lead to unauthorized access to sensitive customer data, manipulation of CRM records, and potential disruption of CRM services. This can result in data breaches, loss of customer trust, regulatory non-compliance (e.g., GDPR violations), and operational downtime. Organizations in sectors such as finance, manufacturing, and services that rely heavily on Chanjet CRM for customer data management are particularly at risk. The ability to remotely exploit the vulnerability without authentication increases the attack surface, potentially allowing attackers to pivot into broader network environments. The lack of vendor patches exacerbates the risk, as organizations must implement interim protections. Additionally, public exploit disclosure may attract opportunistic attackers targeting European companies using Chanjet CRM, especially those with high-value data or strategic importance.

1. Immediately implement web application firewall (WAF) rules to detect and block malicious payloads targeting the gblOrgID parameter, focusing on SQL injection patterns. 2. Restrict network access to the Chanjet CRM application to trusted IP addresses and internal networks where possible, reducing exposure to external attackers. 3. Enable detailed logging and monitoring of database queries and application logs to detect anomalous activities indicative of SQL injection attempts. 4. Conduct a thorough security review of the CRM environment to identify and isolate the vulnerable component, potentially disabling or restricting access to /tools/upgradeattribute.php if feasible. 5. Apply principle of least privilege to database accounts used by the CRM to limit the impact of any successful injection. 6. Prepare for rapid patch deployment by establishing communication channels with the vendor and monitoring for updates. 7. Educate IT and security teams about this vulnerability and the importance of immediate mitigation steps. 8. Consider deploying database activity monitoring (DAM) solutions to detect and prevent unauthorized queries. 9. If possible, perform code review or penetration testing to identify additional injection points or related vulnerabilities in the CRM application.