CVE-2026-105254 in Online Admission System
Summary
by MITRE • 10/05/2026
A vulnerability was identified in itsourcecode Online Admission System 1.0. Impacted is an unknown function of the file /admin/schoolyear.php. Such manipulation of the argument sy leads to sql injection. The attack can be launched remotely. The exploit is publicly available and might be used.
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Analysis
by VulDB Data Team • 10/05/2026
The itsourcecode Online Admission System version 1.0 contains a critical security flaw within its administrative interface, specifically located in the file /admin/schoolyear.php. This vulnerability manifests as an SQL injection weakness triggered by improper handling of the sy argument passed to an unknown internal function. The root cause lies in the application's failure to properly sanitize or parameterize user-supplied input before incorporating it into database queries. When a remote attacker submits maliciously crafted data through this specific parameter, they can manipulate the structure of the underlying SQL command executed by the backend database server. This type of flaw is classically categorized under CWE-89 Improper Neutralization of Special Elements used in an SQL Command and represents one of the most prevalent and dangerous web application vulnerabilities due to its potential for data exfiltration or system compromise.
The operational impact of this vulnerability is severe, as it allows for remote code execution at the database level without requiring authentication if the administrative interface is exposed to the public internet, or with low privileges if access controls are weak. An attacker can exploit this SQL injection to perform unauthorized actions such as extracting sensitive data including student records, teacher information, and potentially administrator credentials stored in the system's database. Furthermore, depending on the configuration of the underlying Database Management System, an advanced attacker might escalate their privileges to execute operating system commands or modify application logic by injecting malicious code into tables that are subsequently rendered by the web interface. This aligns with MITRE ATT&CK techniques related to SQL Injection and Data Exfiltration, highlighting the risk of significant data breaches against educational institutions relying on this software for managing admissions and academic records.
Given that exploit code is publicly available in public repositories or forums, automated scanning tools and opportunistic attackers are likely already attempting to compromise instances of this vulnerable version. The presence of a known proof-of-concept significantly lowers the barrier to entry for malicious actors who may lack sophisticated exploitation skills but can leverage existing scripts to target unpatched systems. This situation underscores the urgency for immediate remediation, as passive monitoring is insufficient against active exploitation campaigns targeting widely distributed open-source educational platforms.
To mitigate this vulnerability, administrators must immediately apply a patch if one has been released by itsourcecode or upgrade to a newer version where the issue has been resolved. In cases where an update is not yet available, immediate defensive measures should be implemented at the web application firewall level to block requests containing SQL injection signatures targeting the sy parameter in /admin/schoolyear.php. Additionally, developers must refactor the affected code to use prepared statements with parameterized queries instead of string concatenation when building database commands. This ensures that user input is treated strictly as data rather than executable code. It is also recommended to restrict access to the administrative directory using IP whitelisting or strong multi-factor authentication mechanisms to reduce the attack surface, although these measures do not replace the need for fixing the underlying code defect which remains a critical security risk until properly neutralized through secure coding practices.