Medium severity · published Sep 29, 2026
CVE-2024-31027
Cross Site Scripting vulnerability in Greek Universities Network (GUnet) Open eClass Platform v.3.15 allows a remote attacker to execute arbitrary code via the last name, first…
5.4
CVSS
0.3%
EPSS
No
On KEV
Description
Cross Site Scripting vulnerability in Greek Universities Network (GUnet) Open eClass Platform v.3.15 allows a remote attacker to execute arbitrary code via the last name, first name, and username parameters in the user registration functionality.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
