CVE-2025-6871 in Simple Company Website
Summary
by MITRE • 06/30/2025
A vulnerability classified as critical has been found in SourceCodester Simple Company Website 1.0. This affects an unknown part of the file /classes/Login.php. The manipulation of the argument Username leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
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Analysis
by VulDB Data Team • 06/30/2025
This critical vulnerability in SourceCodester Simple Company Website version 1.0 represents a severe sql injection flaw located within the authentication component at /classes/Login.php. The vulnerability manifests when the Username parameter is processed without adequate input validation or sanitization, allowing malicious actors to inject arbitrary sql commands into the database query execution flow. This specific weakness creates an attack surface that can be exploited remotely, eliminating the need for local system access or privileged accounts to compromise the application's database layer.
The technical exploitation of this vulnerability follows standard sql injection patterns where attacker-controlled input directly influences the sql query structure. When the Username argument is passed to the Login.php file, the application fails to properly escape or parameterize the input before incorporating it into database queries. This allows threat actors to manipulate the sql statement execution by injecting malicious payloads that can bypass authentication mechanisms, extract sensitive data, or even modify database records. The remote exploitability aspect means that attackers can target this vulnerability from outside the network perimeter, making it particularly dangerous for web applications accessible over the internet.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation could lead to complete database compromise, unauthorized access to user credentials, and potential lateral movement within affected networks. The vulnerability affects the core authentication functionality of the website, meaning that attackers could gain access to user accounts, administrative privileges, or sensitive business information stored within the database. This type of vulnerability directly aligns with CWE-89 which categorizes sql injection flaws as critical weaknesses in software applications, and maps to attack techniques described in the ATT&CK framework under T1190 for exploitation of remote services and T1071.004 for application layer protocol usage.
Organizations should immediately implement comprehensive mitigations including input validation, parameterized queries, and proper output encoding to address this vulnerability. The recommended approach involves updating the Login.php file to utilize prepared statements or parameterized queries that separate sql command structure from data input, ensuring that user-provided usernames cannot influence sql statement execution. Additionally, implementing web application firewalls, input sanitization, and regular security assessments will provide layered protection against similar vulnerabilities. Organizations should also consider implementing proper access controls, database query monitoring, and intrusion detection systems to detect and prevent exploitation attempts. The disclosed exploit status of this vulnerability necessitates immediate remediation efforts as threat actors may already be actively targeting systems running this vulnerable software version.