Cross-Site Scripting Vulnerability in SourceCodester Learning Management System
CVE-2026-86278

5.3MEDIUM

Key Information:

Vendor: Sourcecodester
Status: Syllabus-aligned Learning Management & Examination System
Vendor: CVE Published:; 7 September 2026

🔔 Create Sourcecodester Vulnerability Alert

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-86278?

A cross-site scripting (XSS) vulnerability exists in the SourceCodester Syllabus-Aligned Learning Management & Examination System 1.0. This vulnerability arises from improper handling of user-supplied input in the file manage_subjects.php, specifically within the parameters msg, title, and content. Malicious actors can exploit this vulnerability remotely, potentially allowing them to inject harmful scripts into web pages viewed by other users. The exploit has been publicly disclosed, increasing the urgency for affected users to implement patches or mitigate the risk.

Affected Version(s)

Syllabus-Aligned Learning Management & Examination System 1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-86278 - Proof of Concept