CVE-2026-7783 in Perfex CRM
Summary
by MITRE • 05/05/2026
A flaw has been found in CodeCanyon Perfex CRM up to 3.4.1. This vulnerability affects the function AbstractKanban::applySortQuery of the file application/services/AbstractKanban.php of the component Admin Kanban Endpoint. This manipulation of the argument this causes sql injection. It is possible to initiate the attack remotely. The exploit has been published and may be used.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 05/24/2026
The vulnerability identified in CodeCanyon Perfex CRM version 3.4.1 represents a critical sql injection flaw within the Admin Kanban Endpoint functionality. This security weakness resides in the AbstractKanban::applySortQuery method located in application/services/AbstractKanban.php, where improper input validation allows malicious actors to manipulate query parameters and execute unauthorized database operations. The vulnerability's classification aligns with CWE-89 sql injection, which is categorized under the OWASP Top Ten as one of the most critical web application security risks. The flaw enables remote exploitation, meaning attackers can initiate attacks without requiring physical access to the system or direct user interaction, significantly expanding the attack surface and potential impact.
The technical implementation of this vulnerability stems from inadequate sanitization of user-supplied data within the kanban board sorting functionality. When the system processes sort parameters through the AbstractKanban::applySortQuery method, it fails to properly escape or validate input values before incorporating them into database queries. This allows attackers to inject malicious sql code that can manipulate the underlying database structure, potentially leading to data exfiltration, unauthorized access to sensitive information, or complete system compromise. The vulnerability's exploitation requires minimal privileges and can be executed through standard web application attack vectors, making it particularly dangerous in production environments where sensitive customer data is stored.
The operational impact of this vulnerability extends beyond simple data theft, encompassing potential system degradation, unauthorized data modification, and complete database compromise. Attackers could leverage this flaw to extract confidential customer information, financial records, or internal communications that are typically protected within the CRM system. The published exploit demonstrates that this vulnerability is not theoretical but actively being used in the wild, indicating a high level of risk to organizations utilizing affected versions of Perfex CRM. Organizations may face regulatory compliance violations, financial losses, and reputational damage if their systems are compromised through this attack vector.
Mitigation strategies should focus on immediate patching of the affected software to version 3.4.2 or later, which contains the necessary fixes for the sql injection vulnerability. Additionally, organizations should implement proper input validation and parameterized queries throughout their application codebase to prevent similar issues in other components. Network segmentation and web application firewalls can provide additional layers of protection by monitoring and filtering suspicious database query patterns. Regular security assessments and penetration testing should be conducted to identify and remediate similar vulnerabilities across the entire application stack. The vulnerability also highlights the importance of following secure coding practices as outlined in the OWASP Secure Coding Practices and aligns with ATT&CK technique T1071.004 for application layer protocol manipulation, emphasizing the need for comprehensive security controls beyond simple patch management.