8.7
HIGH CVSS 3.1
CVE-2026-24665
Open eClass is Vulnerable to Stored Cross-Site Scripting (XSS) via Student Assignment Upload
Description

The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, a stored Cross-Site Scripting (XSS) vulnerability allows authenticated students to inject malicious JavaScript into uploaded assignment files, which is executed when instructors view the submission. This issue has been patched in version 4.2.

INFO

Published Date :

Feb. 3, 2026, 6:16 p.m.

Last Modified :

Feb. 3, 2026, 6:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-24665 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH MITRE-CVE
Solution
Update Open eClass to version 4.2 or later to fix the stored XSS vulnerability.
  • Update Open eClass to version 4.2 or later.
  • Validate that the patch addresses the XSS vulnerability.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-24665.

URL Resource
https://github.com/gunet/openeclass/security/advisories/GHSA-2qgm-m7fm-m888
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-24665 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-24665 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-24665 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-24665 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Feb. 03, 2026

    Action Type Old Value New Value
    Added Description The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to version 4.2, a stored Cross-Site Scripting (XSS) vulnerability allows authenticated students to inject malicious JavaScript into uploaded assignment files, which is executed when instructors view the submission. This issue has been patched in version 4.2.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
    Added CWE CWE-79
    Added Reference https://github.com/gunet/openeclass/security/advisories/GHSA-2qgm-m7fm-m888
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.7
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact