Unrestricted File Upload vulnerability in Greek Universities Network Open eClass v.3.15…
Priority HIGH 74CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.02961 87th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openeclass:openeclass:*:*:*:*:*:*:*:* | up to 3.15 | Vulnerable | Openeclass |
- cpe:2.3:a:openeclass:openeclass:*:*:*:*:*:*:*:* Versions up to 3.15 Vulnerable ·Openeclass
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-26503
- 2026-10-03 Alias added: GHSA-gj96-4654-x98q
More Openeclass vulnerabilities
- TI-2024-25765 Open eClass Platform allows Arbitrary File Upload in "modules/h5p/save.php" CVSS 3.1CRITICAL 9.8
- TI-2024-20927 File Upload vulnerability in openeclass v.3.15 and before allows an attacker to execute… CVSS 3.1CRITICAL 9.8
- TI-2026-17851 Open eClass has Unrestricted File Upload that Leads to Remote Code Execution (RCE) CVSS 4.0HIGH 7.3
- TI-2025-40431 An authenticated arbitrary file upload vulnerability in the Courses/Work Assignments… CVSS 3.1MEDIUM 5.4
- TI-2022-14570 An issue in the jmpath variable in /modules/mindmap/index.php of GUnet Open eClass… CVSS 3.1MEDIUM 6.5
- TI-2024-21985 Cross-site scripting (XSS) vulnerability in GUnet OpenEclass E-learning Platform version… CVSS 3.1MEDIUM 6.0
Sources
- CVE-2024-26503 · CVE Program
- CVE-2024-26503 · NVD
- FIRST EPSS
- GHSA-gj96-4654-x98q · GitHub Advisory Database · CC BY 4.0
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