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CVE-2026-24665

Gunet Open Eclass Platform cross-site scripting (XSS)

8.7 HIGHPublic exploitEPSS 0.22%
  1. Published3 Feb 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Affected products

Gunet Open Eclass Platform< 4.2

Remediation

Fixed in
Gunet Open Eclass Platform≥ 4.2

References

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Frequently asked

Is CVE-2026-24665 being actively exploited?

CVE-2026-24665 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.22%.

How severe is CVE-2026-24665?

CVE-2026-24665 has a CVSS 3.1 base score of 8.7, rated high. EPSS estimates a 0.22% probability of exploitation.

Which products are affected by CVE-2026-24665?

Affected products include Gunet Open Eclass Platform.

How do I fix CVE-2026-24665?

Upgrade affected software to a fixed version, for example Gunet Open Eclass Platform 4.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-24665 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.