VULNERABILITY INTELLIGENCE

CVE-2023-4220

CVSS score8.1 HIGH
EPSS probability76.08%
CISA KEVNot currently listed
Published2023-11-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Unrestricted file upload in big file upload functionality in `/main/inc/lib/javascript/bigupload/inc/bigUpload.php` in Chamilo LMS <= v1.11.24 allows unauthenticated attackers to perform stored cross-site scripting attacks and obtain remote code execution via uploading of web shell.

Weakness classification

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
  • CWE-434: Unrestricted Upload of File with Dangerous Type

Primary references