CVE-2026-24671 Open eClass is Vulnerable to Stored Cross-Site Scripting (XSS) in Multiple High-Privilege User Fields

Medium 6.1 Published 3 Feb 2026 Updated 4 Feb 2026

High-privileged users can inject malicious scripts into Open eClass fields, leading to code execution or account takeover for other users.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-24671?

CVE-2026-24671 is a medium-severity cross-site scripting vulnerability in gunet openeclass, published on 3 Feb 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official 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 high-privileged users (teachers or administrators) to inject malicious JavaScript into multiple user-controllable input fields across the application, which is executed when other users access affected pages. This issue has been patched in version 4.2.

Weakness: CWE-79

Which versions are affected by CVE-2026-24671?

It affects 1 product.

Products include Gunet Open Eclass Platform.

How do I fix CVE-2026-24671?

No fix has been published for CVE-2026-24671 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2026-24671 being exploited?

There is no known exploitation of CVE-2026-24671 in the wild and no public exploit code.

Sources

Also known as GHSA-2x83-4fh2-fcw7.