CVE-2026-24674 Open eClass is Vulnerable to Reflected Cross-Site Scripting (XSS) in Multiple Endpoints

What is CVE-2026-24674?

CVE-2026-24674 is a medium-severity cross-site scripting vulnerability in gunet openeclass, published on 3 Feb 2026. An attacker can exploit it over the internet without logging in, 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 Reflected Cross-Site Scripting (XSS) vulnerability allows remote attackers to execute arbitrary JavaScript in the context of authenticated users by crafting malicious URLs and tricking victims into visiting them. This issue has been patched in version 4.2.

Weakness: CWE-79

Which versions are affected by CVE-2026-24674?

It affects 1 product.

Products include Gunet Open Eclass Platform.

How do I fix CVE-2026-24674?

No fix has been published for CVE-2026-24674 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-2026-24674 being exploited?

There is no known exploitation of CVE-2026-24674 in the wild and no public exploit code.

Other vulnerabilities in gunet openeclass

• CVE-2020-37113 GUnet OpenEclass 1.7.3 E-learning platform - File Upload Extension Bypass High 8.7
• CVE-2020-37116 GUnet OpenEclass 1.7.3 E-learning platform - phpMyAdmin Remote Access High 8.7
• CVE-2026-24665 Open eClass is Vulnerable to Stored Cross-Site Scripting (XSS) via Student Assignment Upload High 8.7
• CVE-2026-24669 Open eClass Insecure Password Reset Token Reuse Enables Account Takeover High 7.8
• CVE-2026-24773 Open eClass Unauthenticated IDOR Allows Access to Arbitrary User Files High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-gqvp-w22w-w99r.