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CVE-2026-24665

Open eClass is Vulnerable to Stored Cross-Site Scripting (XSS) via Student Assignment Upload

Published: Feb 3, 2026Updated: Feb 10, 2026 Sources: CVE List NVDCWE-79
NVD MITRE
8.7CVSSHIGH
EPSS Score
0.2%
Top 92.1%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

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 Vector Breakdown

AV:NAC:LPR:LUI:RS:CC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

openeclassgunet
On-prem
Web & CMS Plugins / cms-core
open eclass platformgunet
On-prem
Web & CMS Plugins / cms-core
gunetoss-projectWeb & CMS Pluginsaka gunet edu, openeclass

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/gunet/openeclass/security/advisories/GHSA-2qgm-m7fm-m888
github.com

Timeline

Published
Feb 3, 2026
Last Updated
Feb 10, 2026

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