CVE-2026-13521

SourceCodester · Class and Exam Timetabling System

A security vulnerability has been identified in the SourceCodester Class and Exam Timetabling System that may expose the application to unauthorized access or manipulation.

Executive summary

The SourceCodester Class and Exam Timetabling System contains a high-severity vulnerability that could lead to unauthorized system access or data compromise.

Vulnerability

The vulnerability involves a flaw in the application's security architecture. While specific authentication requirements are not detailed, such flaws in this software often permit unauthenticated or low-privileged attackers to bypass security controls.

Business impact

A successful exploit of this vulnerability could result in significant operational disruption, including the unauthorized modification of academic schedules or the exposure of sensitive student and faculty data. With a CVSS score of 7.3, this flaw poses a substantial risk to the integrity and confidentiality of the institutional data managed by the system.

Remediation

Immediate Action: Administrators should immediately review the vendor’s security portal for available patches or configuration updates.

Proactive Monitoring: Monitor system access logs for unusual patterns, such as unauthorized administrative access attempts or unexpected database queries.

Compensating Controls: Deploy a Web Application Firewall (WAF) with strict rules to filter suspicious traffic and block common attack vectors targeting the application.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Given the High severity rating, it is imperative that organizations using the SourceCodester Class and Exam Timetabling System prioritize the implementation of vendor-provided security patches. If a patch is not yet available, restrict network access to the application to trusted segments only to mitigate the risk of exploitation.