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Fencer Vulns
medium 5.4

CVE-2024-31027 json

Cross Site Scripting vulnerability in Greek Universities Network (GUnet) Open eClass Platform v.3.15 allows a remote attacker to execute ar…

published 2026-09-29 41 d ago modified 2026-10-27 12 d ago also EUVD-2024-55777

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
39 d ago

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.