CVE-2024-26503

9.1 criticalEPSS 3.0%

Critical (9.1) in openeclass openeclass. EPSS 3.0% chance of exploitation in the next 30 days.

Unrestricted File Upload vulnerability in Greek Universities Network Open eClass v.3.15 and earlier allows attackers to run arbitrary code via upload of crafted file to certbadge.php endpoint.

Severity

CVSS 3.1

9.1 critical

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS: 3.0% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2024-03-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

openeclass:openeclass

References

https://www.less-secure.com/2024/03/open-eclass-cve-2024-26503-unrestricted.html
https://www.less-secure.com/2024/03/open-eclass-cve-2024-26503-unrestricted.html

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