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    CVE-2024-26503

    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.

    Published:Mar 14, 2024
    Last Modified:Jun 10, 2025
    EPS:Mar 14, 2024
    EPSS Score:0.02162
    CVSS Score:9.1

    Affected Products

    Vendor
    Openeclass
    Product
    Openeclass

    Exploits

    https://www.less-secure.com/2024/03/open-eclass-cve-2024-26503-unrestricted.htmlhttps://www.less-secure.com/2024/03/open-eclass-cve-2024-26503-unrestricted.htmlhttps://github.com/RoboGR00t/Exploit-CVE-2024-26503

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

    CVE-2025-65734 (CVSS 5.4) — An authenticated arbitrary file upload vulnerability in the Courses/Work Assignments module of gunet Open eCla…
    CVE-2026-24669 (CVSS 7.8) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24668 (CVSS 6.5) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24667 (CVSS 5) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24666 (CVSS 6.5) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24665 (CVSS 8.7) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24774 (CVSS 4.3) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24773 (CVSS 7.5) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24674 (CVSS 4.7) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…
    CVE-2026-24673 (CVSS 4.3) — The Open eClass platform (formerly known as GUnet eClass) is a complete course management system. Prior to ver…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High