CVE-2026-78054
Received Received - Intake

Cross-Site Scripting in Class and Exam Timetabling System

Publication date: 2026-08-23

Last updated on: 2026-08-23

Assigner: VulDB

Description
A weakness has been identified in SourceCodester Class and Exam Timetabling System 1.0. Affected is an unknown function of the file /BSIS1.php. Executing a manipulation of the argument course can lead to cross site scripting. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

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Meta Information

Published
2026-08-23
Last Modified
2026-08-23
Generated
2026-08-23
AI Q&A
2026-08-23
EPSS Evaluated
N/A
NVD
CVE-2026-78054
EUVD
EUVD-2026-64615

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
sourcecodester class_and_exam_timetabling_system 1.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

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Executive Summary

This vulnerability is a Cross-Site Scripting (XSS) flaw in the Class and Exam Timetabling System 1.0, specifically in the BSIS1.php file. It occurs because the application fails to properly encode or filter user input from the 'course' parameter, allowing attackers to inject malicious scripts.

Detection Guidance

To detect this XSS vulnerability, monitor web traffic for suspicious input in the 'course' parameter of /BSIS1.php. Use tools like Burp Suite or OWASP ZAP to intercept and inspect requests. Check server logs for unusual script tags or payloads in user input. Test manually by submitting payloads like <script>alert(1)</script> in the course field and observe if they execute.

Impact Analysis

An attacker could exploit this to execute arbitrary scripts in your browser, potentially stealing cookies, session tokens, or sensitive data. They could also perform unauthorized actions, deface web pages, or redirect you to malicious sites without needing to log in.

Compliance Impact

This XSS vulnerability could lead to unauthorized access to personal data, violating GDPR's data protection principles and HIPAA's security requirements for safeguarding health information. Non-compliance may result in legal penalties and reputational damage.

Mitigation Strategies

Immediately apply input validation to sanitize the 'course' parameter in BSIS1.php. Implement output encoding for all user-supplied data. Deploy Content Security Policy (CSP) headers to restrict script execution. Set secure and HttpOnly flags for cookies. Update to the latest patched version if available. Conduct a security audit to identify similar issues.

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