CVE-2026-86278
Received Received - Intake

Stored XSS in Syllabus-Aligned Learning Management System

Publication date: 2026-09-07

Last updated on: 2026-09-07

Assigner: VulDB

Description
A vulnerability was found in SourceCodester Syllabus-Aligned Learning Management & Examination System 1.0. The affected element is an unknown function of the file manage_subjects.php. The manipulation of the argument msg/title/content results in cross site scripting. The attack may be performed from remote. The exploit has been made public and could be used.

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Meta Information

Published
2026-09-07
Last Modified
2026-09-07
Generated
2026-09-07
AI Q&A
2026-09-07
EPSS Evaluated
N/A
NVD
CVE-2026-86278
EUVD
EUVD-2026-72272

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
sourcecodester syllabus_aligned_learning_management_and_examination_system 1.0
sourcecodester syllabus_aligned_learning_management_examination_system 1.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
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.
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.

Attack-Flow Graph

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Executive Summary

CVE-2026-86278 is a Cross-Site Scripting (XSS) vulnerability in the Syllabus-Aligned Learning Management & Examination System 1.0. It involves both reflected and stored XSS flaws in files like manage_subjects.php due to unsanitized user input being reflected or stored without proper encoding. Attackers can inject malicious scripts via parameters such as msg, title, or content.

Detection Guidance

To detect XSS vulnerabilities in the Syllabus-Aligned Learning Management System, inspect the affected files like manage_subjects.php for unsanitized inputs in parameters such as msg, title, or content. Test by injecting basic XSS payloads like <script>alert(1)</script> in these fields and observe if the script executes. Use browser developer tools to monitor network requests for reflected XSS or check database entries for stored XSS.

Impact Analysis

This vulnerability allows attackers to execute malicious scripts in your browser, potentially leading to session hijacking, phishing attacks, website defacement, keylogging, or theft of CSRF tokens. Stored XSS could have a higher impact as it persists on the server.

Compliance Impact

XSS vulnerabilities can lead to unauthorized access to sensitive data, violating GDPR's data protection principles and HIPAA's security requirements. This may result in non-compliance, legal penalties, and reputational damage due to compromised user data.

Mitigation Strategies

Implement output encoding using htmlspecialchars() for all user-supplied data before rendering it in the browser. Apply input validation to sanitize and reject malicious scripts in parameters like msg, title, and content. Set secure session cookie flags such as HttpOnly and Secure to mitigate session hijacking risks. Regularly update and patch the application to address known vulnerabilities.

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