CVE-2025-10102 in Online Event Judging System
Summary
by MITRE • 09/08/2025
A security flaw has been discovered in code-projects Online Event Judging System 1.0. This affects an unknown function of the file /index.php. Performing manipulation of the argument Username results in sql injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be exploited.
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Analysis
by VulDB Data Team • 09/11/2025
The vulnerability identified as CVE-2025-10102 represents a critical sql injection flaw within the code-projects Online Event Judging System version 1.0. This security weakness exists in the application's handling of user input through the /index.php file where the Username parameter is processed without adequate sanitization or validation. The vulnerability manifests when an attacker manipulates the Username argument, allowing malicious sql commands to be executed within the database context of the application. This particular flaw falls under the category of CWE-89 sql injection as defined by the Common Weakness Enumeration framework, which specifically addresses the improper handling of sql queries that can lead to unauthorized database access.
The operational impact of this vulnerability extends far beyond simple data theft, as it provides attackers with the capability to perform remote exploitation without requiring local system access or elevated privileges. The public availability of exploit code significantly amplifies the risk level, as it removes the barrier to entry for potential attackers who may not possess advanced technical skills. Remote exploitation capabilities mean that threat actors can target the system from anywhere on the internet, making the vulnerability particularly dangerous for organizations that expose this application to public networks. The attack vector through the Username parameter suggests that any user interaction with the login or registration functionality could serve as an entry point for malicious activity.
The consequences of successful exploitation include complete database compromise, data exfiltration, unauthorized user account manipulation, and potential lateral movement within network environments where the judging system operates. Attackers could leverage this vulnerability to escalate privileges, modify or delete sensitive information, and establish persistent access to the system. This vulnerability aligns with ATT&CK technique T1190 for exploiting vulnerabilities in web applications and T1071.004 for application layer protocol usage. Organizations running this specific version of the Online Event Judging System face significant risk of data breaches, regulatory compliance violations, and potential financial losses due to the exposed nature of the vulnerability.
Mitigation strategies should prioritize immediate patching or upgrading to a secure version of the application that addresses the sql injection vulnerability. Until such updates are available, network administrators should implement strict input validation measures, including parameterized queries, input sanitization, and web application firewalls to filter malicious sql payloads. Access controls should be enforced to limit exposure of the vulnerable endpoint, and monitoring should be enhanced to detect suspicious login patterns or sql injection attempts. Security teams should also conduct comprehensive vulnerability assessments of related systems and ensure proper network segmentation to limit the potential impact of successful exploitation attempts.