CVE-2023-7141 in Client Details System
Summary
by MITRE • 12/29/2023
A vulnerability was found in code-projects Client Details System 1.0. It has been classified as problematic. Affected is an unknown function of the file /admin/update-clients.php. The manipulation of the argument uid leads to sql injection. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249144.
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Analysis
by VulDB Data Team • 10/29/2025
The vulnerability identified as CVE-2023-7141 represents a critical sql injection flaw within the code-projects Client Details System version 1.0. This security weakness resides in the administrative component of the application, specifically within the update-clients.php file which handles client information management. The vulnerability stems from inadequate input validation and sanitization of user-supplied data, particularly the uid parameter that serves as the identifier for client records. The flaw allows attackers to manipulate the uid argument in such a way that malicious sql commands are executed within the database context, potentially compromising the entire system infrastructure.
The technical exploitation of this vulnerability follows a classic sql injection attack pattern where the uid parameter is not properly escaped or validated before being incorporated into sql queries. This allows an attacker to inject malicious sql payloads that can manipulate database operations, extract sensitive information, modify client records, or even gain unauthorized access to the underlying database system. The vulnerability's classification as problematic indicates the severity of potential impact, as sql injection attacks are among the most dangerous web application vulnerabilities due to their ability to bypass authentication mechanisms and access confidential data. The public disclosure of this exploit means that threat actors can readily leverage this weakness without requiring advanced technical skills.
The operational impact of this vulnerability extends beyond simple data theft, potentially allowing full system compromise through database manipulation. Attackers could use this flaw to escalate privileges, access sensitive client information including personal details and financial data, or even establish persistent backdoors within the system. The affected administrative function suggests that successful exploitation could provide attackers with comprehensive control over the client database, potentially enabling them to modify or delete critical information while maintaining stealthy access to the system. This vulnerability directly relates to CWE-89 which defines sql injection as the insertion of malicious sql code into input fields, and aligns with ATT&CK technique T1071.004 for application layer protocol manipulation.
Mitigation strategies for this vulnerability should prioritize immediate patching of the affected application to address the input validation deficiencies in the update-clients.php file. Organizations should implement proper parameterized queries or prepared statements to prevent sql injection attacks, ensuring that user input cannot be interpreted as sql commands. Input validation and sanitization measures must be strengthened throughout the application, particularly for all parameters that interact with database operations. Network segmentation and access controls should be implemented to limit administrative access to the system, while regular security audits should be conducted to identify similar vulnerabilities in other application components. Additionally, implementing web application firewalls and intrusion detection systems can provide additional layers of protection against sql injection attempts targeting this specific vulnerability.